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Sergei Tretiak

Publications

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Updated 09/2021

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2021

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H.-H. Huang, H. Tsai, R. Raja, S.-L. Lin, D. Ghosh, C.-H. Hou, J.-J. Shyue, S. Tretiak, C.-Y. Chang, W. Nie, K.-F. Lin and L. Wang, Robust un-encapsulated perovskite solar cells protected by fluorinated fullerene electron transporting layer ACS Energy Lett.,  63376 – 3385 (2021).

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B. M. Weight, A. E. Sifain, B. J. Gifford, D. Kilin, S. Kilina, and S. Tretiak, Coupling between Emissive-Defects of Carbon Nanotubes: Modeling Insights J. Phys. Chem. Lett.,  127846 – 7853 (2021).

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Y. Han, K. Iduoku, B. Rasulev, A. Leontyev, E. Hobbie, S. Tretiak, S. Kilina, and D. Kilin, Hot Carrier Dynamics at Ligated Silicon (111) Surfaces: a computational study J. Phys. Chem. Lett.,  127504 – 7511 (2021).

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R. Zubatyuk, B. Nebgen, J. S. Smith, S. Tretiak and O. Isayev, Teaching neural network to attach and detach electrons from molecules Nature Comm., 12, 4870 (2021).

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S. G. Lewis, D. Ghosh, K. L. Jensen, D. Finkenstadt, A. Shabaev, S. Lambrakos, F. Liu, W. Nie, L. Zhou, J. J. Crochet, N. Moody, A. D. Mohite, S. Tretiak, and A. J. Neukirch, Cesium Coated Halide Perovskites as a Photocathode Material: Modeling Insights J. Phys. Chem. Lett.,  126269 – 6276 (2021).

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M. Kulichenko, J. S. Smith, B. Nebgen, N. Fedik, A. I. Boldyrev, N. Lubbers, K. Barros and S. Tretiak, The rise of neural networks for materials and chemical dynamic J. Phys. Chem. Lett., (Perspectives, journal cover page) 126227 – 6244 (2021)/

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A. E. Sifain, L. Lystrom, R. Messerly, J. S. Smith, B. Nebgen, K. Barros, S. Tretiak, N. Lubbers, and B. J. Gifford, Predicting Phosphorescence and Inferring Wavefunction Localization with Machine Learning Chem. Sci., 1210207 – 10217 (2021).

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T. Zubatuk, B. Nebgen, Ni. Lubbers, J. S. Smith, R. Zubatuk, G. Zhou, C. Koh, K. Barros, O. Isayev, and S. Tretiak, Machine Learned Hückel Theory: Interfacing Physics and Deep Neural Networks J. Chem. Phys., 154244108 (2021).

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L. Alfonso-Hernandez, N. Oldani, S. Athanasopoulos, J. M. Lupton, S. Tretiak, and S. Fernandez-Alberti, Photoinduced Energy Transfer in Linear Guest-Host Chromophores: A Computational Study J. Phys. Chem. A, 1255303 – 5313 (2021).

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H. Song, Y. Nam, D. Keefer, M. Garavelli, S. Mukamel, and S. Tretiak, Non-adiabatic Molecular Dynamics Study of the Relaxation Pathways of Photoexcited Cyclooctatetraene J. Phys. Chem. Lett.,  125716 – 5722 (2021).

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N. V. Tkachenko, V. K. Vyas, M. Wills, J. S. Smith, S. Tretiak and P. A. Dub, Enantioselectivity in the Noyori−Ikariya Asymmetric Transfer Hydrogenation of Ketones Organometallics, 401402 – 1410 (2021).

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H. Song, V. M. Freixas, S. Fernandez-Alberti, A. J. White, Y. Zhang, S. Mukamel, N. Govind and S. Tretiak, An Ab-Initio Multiple Cloning for Non-Adiabatic Excited-State Molecular Dynamics in NWChem J. Chem. Theory Comput., 173629 – 3643 (2021).

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A. Sheely, B. Gifford, S. Tretiak, and A. Bishop, Tunable Optical Features of Graphene Quantum Dots from Edge Functionalization J. Phys. Chem. C, 1259244 – 9252 (2021).

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D. Keefer, V. M. Freixas, H. Song, S. Tretiak, S. Fernandez-Alberti, and S. Mukamel, Monitoring Molecular Vibronic Coherences in a Bichromophoric Molecule by Ultrafast X–Ray Spectroscopy Chem. Sci., 125286 – 5294 (2021).

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Y. Zhou, K. Fernando, J. Wan, F. Liu, S. Shrestha, J. Tisdale, H. Tsai, S. Tretiak, H. Huang and W. Nie, Millimeter-Size All-inorganic Perovskite Crystalline Thin Film Grown by Chemical Vapor Deposition Adv. Func. Mat., 312101058 (2021).

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V. M. Freixas, A. J. White, T. Nelson, H. Song, D. V. Makhov, D. Shalashilin, S. Fernandez-Alberti and S. Tretiak, Non-Adiabatic Excited State Molecular Dynamics Methodologies: Comparison and Convergence J. Phys. Chem. Lett., (Perspectives, journal cover page) 122970 – 2982 (2021).

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B. M. Weight, B. J. Gifford, S. Tretiak, and S. Kilina, Interplay between Electrostatic Properties of Molecular Adducts and Their Positions at Carbon Nanotubes J. Phys. Chem. C, 1254785 – 4793 (2021).

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N. V. Tkachenko, J. Sud, Y. Zhang, S. Tretiak, P. M. Anisimov, A. T. Arrasmith, P. J. Coles, L. Cincio, and P. A. Dub, Correlation-Informed Permutation of Qubits for Reducing Ansatz Depth in the Variational Quantum Eigensolver Phys. Rev. X Quantum, 2, 020337 (2021).

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J. S. Smith, B. Nebgen, N. Mathew, J. Chen, N. Lubbers, L. Burakovsky, S. Tretiak, H. Ah Nam, T. Germann, S. Fensin, K. Barros, Automated discovery of a robust interatomic potential for aluminum Nature Comm., 121257 (2021).

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S. M. Mniszewski, P. A. Dub, S.Tretiak, P. M.Anisimov, Y. Zhang and C.F. A. Negre, Reduction of the molecular hamiltonian matrix using quantum community detection Sci. Rep., 11, 4099 (2021).

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S. Halaby, M. Martynowycz, Z. Zhu, S. Tretiak, A. Zhugayevych, T. Gonen, M. Seifrid, Microcrystal Electron Diffraction for Molecular Design of Functional Non-Fullerene Acceptor Structures Chem. Mater., 33966 – 977 (2021).

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F. Liu, M. A. Hoffbauer, S. Lewis,  A. J. Neukirch, V. Pavlenko, H. Tsai, W. Nie, J. Even, S. Tretiak, P. M. Ajayan, M. G. Kanatzidis, J. Crochet, N. A. Moody, J.-C. Blancon and A. D. Mohite, Highly efficient photoelectric effect in halide perovskites for regenerative electron sources Nature Comm., 12, 673 (2021).

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C. M. Perez, D. Ghosh, O. Prezhdo, S. Tretiak, A. Neukirch, Excited-State Properties of Defected Halide Perovskite Quantum Dots: Insights from Computation  J. Phys. Chem. Lett., 121005 – 1011 (2021).

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Y. Zheng, B. M. Weight, A. C. Jones, V. Chandrasekaran, B. J. Gifford, S. Tretiak, S. K. Doorn, H. Htoon, Photoluminescence Dynamics Defined by Exciton Trapping Potential of Coupled Defect-States in DNA-Functionalized Carbon Nanotubes ACS Nano, 15923 – 933 (2021).

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B. Rodriguez-Hernandez, T. Nelson, N. Oldani, A. Martinez-Mesa, L. Uranga-Pina, Y. Segawa, S. Tretiak, K. Itami, and S. Fernandez-Alberti, Exciton spatial dynamics and self-trapping in carbon nanocages J. Phys. Chem. Lett., 12224 – 231 (2021).

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L. Yan, T. Bo, B.-T. Wang, S. Tretiak, and L. Zhou, Single-Layer Dititanium Oxide Ti2O MOene: Multifunctional Promises for Electride, Anode Materials, and Superconductor J. Phys. Chem. Lett., 12494 – 500 (2021).

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A. De Sio, E. Sommer, X. T. Nguyen, L. Gross, D. Popović, B. Nebgen, S. Fernandez-Alberti, S. Pittalis, C. A. Rozzi, E. Molinari, E. Mena-Osteritz, P. Bäuerle, T. Frauenheim, S. Tretiak, and C. Lienau, Intrinsic Limits of Defect-State Photoluminescence Dynamics in Functionalized Carbon Nanotubes Nature Nanotech, 1663 – 68 (2021).

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2020

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V. M. Freixas, T. Nelson, D. Ondarse-Alvarez, P. Nijjar, A. Mikhailovsky, G. C. Bazan, S. Fernandez-Alberti, and S. Tretiak, Experimental and theoretical study of energy transfer in a chromophore triad: What makes modeling dynamics successful? J. Chem. Phys., 153244114 (2020).

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A. Mukazhanova, W. Malone, H. Negrin-Yuvero, S. Fernandez Alberti, S. Tretiak, and S. Sharifzadeh, Photoexcitation Dynamics in Peryelene Diimide Dimers J. Chem. Phys., 153244117 (2020).

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A. Teplukhin, B. K. Kendrick, S. Tretiak, and P. A. Dub, Electronic structure with direct diagonalization on a D-Wave quantum annealer Sci. Rep., 10, 20753 (2020).

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H. Negrin-Yuvero, V. M. Freixas, B. Rodriguez-Hernandez, G. Rojas-Lorenzo, S. Tretiak, A. Bastida, and S. Fernandez-Alberti, Photoinduced dynamics with constrained vibrational motion: FrozeNM algorithm J. Chem. Theory Comput., 167289 – 7298 (2020).

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D. Ghosh, D. Acharya, L. Pedesseau, C. Katan, J. Even, S. Tretiak and A. J. Neukirch, Charge Carrier Dynamics in Two-Dimensional Hybrid Perovskites: Dion-Jacobson vs. Ruddlesden-Popper PhasesJ. Mat. Chem. A, (journal cover page) 822009 – 22022 (2020).

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M. A. Jabed, N. Dandu, S. Tretiak, and S. Kilina, Passivating Nucleobases Bring Charge Transfer Character to Optically Active Transitions in Small Silver Nanoclusters J. Phys. Chem. A, 1248931 – 8942 (2020).

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H. Song, S. A. Fischer, Y. Zhang, C. J. Cramer, S. Mukamel, N. Govind, and S. Tretiak, First Principles Non-Adiabatic Excited-State Molecular Dynamics in NWChem Software J. Chem. Theory Comput., 166418 – 6427 (2020).

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S. Shrestha, H. Tsai, M. Yoho, D. Ghosh, Y. Lei, F. Liu, J. Baldwin, S. Xu, A. J. Neukirch, Se. Tretiak, D. Vo, and W. Nie, The Role of Metal-Semiconductor Interface in Hybrid Perovskite Devices for High-Performance Radiation Photon Counting ACS Appl. Mater. Interfaces, 1245533 – 45540 (2020).

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L. T. Mix, D. Ghosh, J. Tisdale, M.-C. Lee, K. R. O’Neal, N. Sirica, A. Neukirch, W. Nie, R. P. Prasankumar, S. Tretiak, and D. Yarotski, Hot Carrier Cooling and Recombination Dynamics of Chlorine Doped Hybrid Perovskite Single Crystals J. Phys. Chem. Lett., 118430 – 8436 (2020).

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B. J. Gifford, S. Kilina, A. Saha, X. He, Y. Kim,  H. Htoon,  S. K. Doorn, and S. Tretiak, Controlling Defect-State Emission in Covalently Functionalized Single-Walled Carbon Nanotubes Acc. Chem. Res., 531791 – 1801 (2020).

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G. T. Craven, N. Lubbers, K. Barros, and S. Tretiak, Machine learning approaches for structural and thermodynamic properties of a Lennard-Jones fluid J. Chem. Phys., 153, 104502 (2020).

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W. Malone, B. Nebgen, A. White, Y. Zhang, H. Song, J. Bjorgaard, A. Sifain, B. Rodriguez-Hernandez, S. Fernandez-Alberti, A. E. Roitberg, T. Nelson, and S. Tretiak, NEXMD Software Package for Non-adiabatic Excited State Molecular Dynamics Simulations J. Chem. Theory Comput., 165771 – 5783 (2020).

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L. Alfonso-Hernandez, S. Athanasopoulos, S. Tretiak, A. Bastida, and S. Fernandez-Alberti, Vibrational energy redistribution during donor-acceptor electronic energy transfer: criteria to identify subsets of active normal modes Phys. Chem. Chem. Phys., 2218454 – 18466 (2020).

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G. Zhou, B. Nebgen, N. Lubbers, A. M. N. Niklasson, and S. Tretiak, GPU-Accelerated Semi-Empirical Born Oppenheimer Molecular Dynamics using PyTorch J. Chem. Theory Comput., 164951 – 4962 (2020).

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B. Rodríquez-Hernández, N. Oldani, A. Martínez-Mesa, L. Uranga-Piña, S. Tretiak and S. Fernandez-Alberti, Photoexcited energy relaxation and vibronic couplings in π-conjugated carbon nanorings Phys. Chem. Chem. Phys., 2215321 – 15332 (2020).

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K. L. Jensen, A. Shabaev, S. G. Lambrakos, D. Finkenstadt, J. J. Petillo, A. M. Alexander, J. Smedley, N. A. Moody, H. Yamaguchi, F. Liu, A. J. Neukirch, and S. Tretiak, An Extended Moments Model of Quantum Efficiency for Metals and Semiconductors J. Appl. Phys., 128015301 (2020).

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F. Liu, M. Yoho, H. Tsai, K. Fernando, J. Tisdale, S. Shrestha, K. Baldwin, A. Mohite, S. Tretiak, D. T. Vo, and W. Nie, The working principle of hybrid perovskite gamma-ray photon counter Mater. Today, 3727 – 34 (2020).

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K. L. Jensen, A. Shabaev, S. G. Lambrakos, D. Finkenstadt, N. A. Moody, A. J. Neukirch, S. Tretiak, D. A. Shiffler, and J. J. Petillo, Analytic Model of Electron Transport Through and Over Non-Linear Barriers J. Appl. Phys., 127235301 (2020).

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V. M. Freixas, N. Oldani, R. Franklin-Mergarejo, S. Tretiak, and S. Fernandez-Alberti, Electronic energy relaxation in a photoexcited fully fused edge sharing carbon nanobelt J. Phys. Chem. Lett., 114711 – 4719 (2020).

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G. T. Craven, N. Lubbers, K. Barros, and S. Tretiak, Ex Machina Determination of Structural Correlation Functions J. Phys. Chem. Lett., 114372 – 4378 (2020).

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V. M. Freixas, S. Tretiak, D. V. Makhov, D. V. Shalashilin and S. Fernandez-Alberti, Vibronic quantum beating between electronic excited states in a heterodimer J. Phys. Chem. B, 12493992 – 4001 (2020).

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D. Ghosh, E. Welch, A. Neukirch, A. Zakhidov and S. Tretiak, Polarons in Halide Perovskites: A Perspective J. Phys. Chem. Lett, (Review, journal cover page) 11, 3271 – 3286 (2020).

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J. S. Smith, R. Zubatiuk, B. Nebgen, N. Lubbers, K. Barros, A. E. Roitberg, O. Isayev, and S. Tretiak, ANI-1ccx and ANI-1x data sets, coupled-cluster and density functional theory properties for organic molecules Sci. data, 7, 134 (2020).

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D. Ghosh, A. Neukirch, and S. Tretiak, Optoelectronic Properties of Two-Dimensional Bromide Perovskites: Influences of Spacer Cations J. Phys. Chem. Lett, 112955 – 2964 (2020).

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J. Liu, Y. Li, Y. Xuan, L. Zhou, H. Lin, Q. Zhang, H. Wang, Y. Gu, S. Tretiak, S. Feng, and L. Wang, Multifunctional cellulose nanocrystals as high-efficiency immobilizer for durable Li-S batteries ACS Appl. Mater. Interfaces, 1217592 – 17601 (2020).

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Y. Zhang, L. Li, S. Tretiak, and T. Nelson, Non-Adiabatic Excited-State Molecular Dynamics for Open-Shell Systems J. Chem. Theory Comput., 14, 2053 – 2064 (2020).

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L. Collins, E. S. Muckley, H. Tsai, D. Ghosh, A. J. Neukirch, S. Tretiak,  S. V. Kalinin, W. Nie, and I. N. Ivanov, Correlation of Spatiotemporal Dynamics of Polarization and Charge Transport in Blended Hybrid Organic-Inorganic Perovskites on Macro- and Nanoscales ACS Appl. Mater. Interfaces, 1215380 – 15388 (2020).

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H. Tsai, F. Liu, J. Baldwin, B. Scott, S. Tretiak, D. T. Vo, J. Strzalka, and W. Nie, A sensitive and robust thin-film x-ray detector using 2D layered perovskite diodes Sci. Adv., 6eaay0815 (2020).

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Related:  Chosen by Physics World editorial team as one of its “Top 10 Breakthroughs of the Year https://physicsworld.com/a/physics-world-announces-its-breakthrough-of-the-year-finalists-for-2020/

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J. T. Tisdale, M. Yoho, H. Tsai, S. Shrestha, K. Fernando, J. K. Baldwin, S. Tretiak, D. Vo and W. Nie, Methylammonium Lead Tribromide Single Crystal Detectors Towards Robust Gamma-Ray Photon Sensing Adv. Opt. Mater., 82000233 (2020).

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Y. Kim, S. Goupalov, B. M. Weight, B. J. Gifford, X. He, A. Saha, M. Kim, G. Ao,  Y. Wang,  M. Zheng, S. Tretiak, S. K. Doorn, and H. Htoon, Hidden Fine Structure of Quantum Defects Revealed by Single Nanotube Magneto-Photoluminescence ACS Nano, 143451 – 3460 (2020).

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N. Rybin, D. Ghosh, J. Tisdale, S. Shresta, M. Yoho, D. Vo, JC. Katan, J. Even, W. Nie, A. J. Neukirch, and S. Tretiak, Effects of Chlorine Mixing on Optoelectronics, Ion Migration, and Gamma-Ray Detection in Bromide Perovskites Chem. Mater., 321854 – 1863 (2020).

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T. Nelson, A. White, J. Bjorgaard, A. Sifain, Y. Zhang, B. Nebgen, S. Fernandez-Alberti, D. Mozyrsky, A. Roitberg and S. Tretiak, Non-adiabatic Excited-State Molecular Dynamics: Theory and Applications for Modeling Photophysics in Extended Molecular Materials Chem. Rev., 1202215 – 2287 (2020).

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L. Zhou, H. Dong and S. Tretiak, Recent advances of novel ultrathin two-dimensional silicon carbides from a theoretical perspective Nanoscale (Review), 124269 – 4282 (2020).

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H. Tsai, C. Liu, E. Kinigstein, M. Li, S. Tretiak, M. Cotlet, X. Ma, X. Zhang, and W. Nie, Critical role of organic spacers for bright light emitting diodes from 2D layered perovskires Adv. Sci., 71903202 (2020).

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B. Traore, L. Pedesseau, J.-C. Blancon, S. Tretiak, A. D. Mohite, J. Even, C. Katan, and M. Kepenekian, Importance of Vacancies and Doping in the Hole-Transporting Nickel Oxide Interface with Halide Perovskites ACS Appl. Mater. Interfaces, 126633 – 6640 (2020).

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2019

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N. Canicoba, N. Zagni, F. Liu, K. Fernando, H. Belleza, B. Traore, R. Rogel, H. Tsai, L. L. Brizoual, W. Nie, J. Crochet, S. Tretiak, C. Katan, J. Even, M. Kanatzidis, B. Alphenaar, J.-C. Blancon, M. Alam, and A. D. Mohite, Halide perovskite high-k field-effect transistors with dynamically reconfigurable ambipolarity ACS Mater. Lett., 1633 – 640 (2019).

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Y. Zhang, T. Nelson, and S. Tretiak, Atomistic Simulations of Plasmon Mediated Photochemistry ACS Symposium Series, Vol. 1331, Ch. 11, 239256 (2019).

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B. J. Gifford, A. Saha, B. M. Weight, X. He, G. Ao, M. Zheng, H. Htoon, S. Kilina, S. K. Doorn, and S. Tretiak, Mod(n-m,3) Dependence of Defect-State Emission Bands in Aryl Functionalized Carbon Nanotubes Nano Lett., 198503 – 8509 (2019).

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J. Leveillee, C. Katan, J. Even, D. Ghosh, W. Nie, A. D. Mohite, S. Tretiak, A. Schleife, and A. J. Neukirch, Tuning electronic structure in layered hybrid perovskites with organic spacer substitution Nano Lett., 198732 – 8740 (2019).

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Y. Zhang, T. Nelson, and S. Tretiak, Non-adiabatic molecular dynamics of molecules in the presence of strong light-matter interactions J. Chem. Phys., 151154109 (2019).

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B. J. Gifford, X. He, M. Kim, A. Saha, Y. Wang, H. Htoon, S. Kilina, S. K. Doorn, and S. Tretiak, Optical Effects of Divalent Functionalization of Carbon Nanotubes Chem. Mater., 316950 – 6961 (2019).

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Related BES Highlight: PDF file [300k]

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D. Ghosh, D. Acharya, L. Zhou, O. V. Prezhdo, S. Tretiak, and A. J. Neukirch, Lattice Expansion in Hybrid Perovskites: Effect on Optoelectronic Properties and Charge Carrier Dynamics J. Phys. Chem. Lett, 105000 – 5007 (2019).

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H. Phan, T. J. Kelly, E. Jarvis, A. Zhugayevych, G. C. Bazan, T.-Q. Nguyen, and S. Tretiak, Tuning Optical Properties of Conjugated Molecules by Lewis Acids: Insights from electronic structure modeling J. Phys. Chem. Lett., 104632 – 4638 (2019).

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L. Zhou, C. Katan, W. Nie, H. Tsai, L. Pedesseau, J. J. Crochet, J. Even, A. D. Mohite, S. Tretiak, and A. J. Neukirch, Cation Alloying Delocalizes Polarons in Lead-halide Perovskites J. Phys. Chem. Lett., 103516 – 3524 (2019).

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J. S. Smith, B. T. Nebgen, R. Zubatyuk, N. Lubbers, C. Devereux, K. Barros, S. Tretiak, O. Isayev, and A. E. Roitberg, Approaching coupled cluster accuracy with a general-purpose neural network potential through transfer learning Nature Comm, 10, 2903 (2019).

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N. V. Tukachev, D. R. Maslennikov, A. Yu. Sosorev, S. Tretiak, and A. Zhugayevych, Ground state geometry and vibrations of polyphenylene vinylene oligomers J. Phys. Chem. Lett., 103232 – 3239 (2019).

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A. E. Sifain, L. Wang, S. Tretiak, and O. V. Prezhdo, Numerical Tests of Coherence-Corrected Surface Hopping Methods Using a Donor-Bridge-Acceptor Model System J. Chem. Phys., 150194104 (2019).

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X. He, L. Sun, B. Gifford, S. Tretiak, A. Piryatinski, X. Li, H. Htoon, and S. K. Doorn, Intrinsic Limits of Defect-State Photoluminescence Dynamics in Functionalized Carbon Nanotubes Nanoscale, 119125 – 9132 (2019).

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V. M. Freixas, D. Ondarse-Alvarez, S. Tretiak, D. Makhov, D. Shalashilin and S. Fernandez-Alberti, Photoinduced non-adiabatic energy transfer quantum pathways in dendrimer building blocks J. Chem. Phys. 150, 124301 (2019).

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S. K. Doorn, H. Htoon, and S. Tretiak, Photophysics and Quantum Emission Behaviors of Covalently-Introduced Defects in Single-Wall Carbon Nanotubes Chapter in a Book "Optical Properties of Carbon Nanotubes: A Volume Dedicated to the Memory of Professor Mildred Dresselhaus" Vol. 10, Ch. 12, World Scientific (2019).

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2018

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D. Ondarse-Alvarez, N. Oldani, A. E. Roitberg, V. Kleiman, S. Tretiak, and S. Fernandez-Alberti, “Energy transfer and spatial scrambling of an exciton in a conjugated dendrimer” Phys. Chem. Chem. Phys. 20, 29648 – 29660 (2018).

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D. Ondarse-Alvarez, T. R. Nelson, J. M. Lupton, S. Tretiak, and S. Fernandez- Alberti, “Let Digons be Bygones: The Fate of Excitons in Curved pi-systems” J. Phys. Chem. Lett. 9, 7123 – 7129 (2018).

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A. J. Neukirch, I. I. Abate, L. Zhou, W. Nie, H. Tsai, L. Pedesseau, J. Even, J. J. Crochet, A. D. Mohite, C. Katan and S. Tretiak, “Geometry Distortion and Small Polaron Binding Energy Changes with Ionic Substitution in Halide Perovskites” J. Phys. Chem. Lett. 9, 7130 – 7136 (2018).

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A. E. Sifain, B. J. Gifford, D. W. Gao, L. Lystrom, T. R. Nelson and S. Tretiak, “NEXMD Modeling of Photoisomerization Dynamics of 4-Styrylquinoline” J. Phys. Chem. A, 122, 9403  – 9411 (2018).

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L. Zhou, Y. Zhang, Z. Zhuo, A. J. Neukirch and S. Tretiak, “Interlayer-Decoupled Sc-Based Mxene with High Carrier Mobility and Strong Light-Harvesting Ability” J. Phys. Chem. Lett. 9, 6915 – 6920 (2018).

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J. T. Gluckert, L. Adamska, W. Schinner, M. S. Hofmann, S. K. Doorn, S. Tretiak, and A. Hogele, “Dipolar and charged localized excitons in carbon nanotubes” Phys. Rev. B, 98, 195413 (2018).

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A. Saha, B. J. Gifford, X. He, G. Ao, M. Zheng, H. Kataura, H. Htoon, S. Kilina, S. Tretiak, S. K. Doorn “Narrow-band single-photon emission through selective aryl functionalization of zigzag carbon nanotubes” Nature Chem, 10, 1089 – 1095 (2018).

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J. Leveillee, C. Katan, L. Zhou, J. Even, A. D. Mohite, S. Tretiak, A. Schleife, and A. J. Neukirch, “Influence of pi-conjugated cations and halogen substitution on the optoelectronic and excitonic properties of layered hybrid perovskites” Phys. Rev. Mat. 2, 105406 (2018).

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B. Nebgen, N. Lubbers, J. S. Smith, A. Sifain, A. Y. Lokhov, O. Isayev, A. E. Roitberg, K. Barros, and S. Tretiak, “Transferable Dynamic Molecular Charge Assignment Using Deep Neural Networks” J. Chem. Theory Comput., 14, 4687 (2018).

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M. Kepenekian, B. Traore, J.-C. Blancon, L. Pedesseau, H. Tsai, W. Nie, C. C. Stoumpos, M. G. Kanatzidis, J. Even, A. D. Mohite, S. Tretiak, and C. Katan, “Concept of lattice mismatch and emergence of surface states in 2D hybrid perovskite quantum wells” Nano Lett, 118, 5603    5609 (2018).

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A. Sifain, N. Lubbers, B. Nebgen, J. S. Smith, A. Y. Lokhov, O. Isayev, A. E. Roitberg, K. Barros, and S. Tretiak, “Discovering a Transferable Charge Assignment Model using Machine Learning” J. Phys. Chem. Lett. 9, 4495 – 4501 (2018).

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Y. Zhang, T. Nelson, S. Tretiak, H. Guo and G. Schatz, “Plasmonic Hot-Carrier Mediated Tunable Photochemical Reactions” ACS Nano, 12, 8415 – 8422 (2018).

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A. E. Sifain, J. A. Bjorgaard, T. R. Nelson, B. T. Nebgen, A. J. White, B. J. Gifford, D. Gao, O. V. Prezhdo, S. Fernandez-Alberti, A. E. Roitberg, S. Tretiak, “Photoexcited Nonadiabatic Dynamics of Solvated Push-Pull Pi-Conjugated Oligomers with the NEXMD Software” J. Chem. Theory Comput., 14, 3955    3966 (2018).

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X. He, K. A. Velizhanin, G. Bullard, Y. Bai, J.-H. Olivier, N. F. Hartmann, B. J. Gifford, S. Kilina, S. Tretiak, H. Htoon, M. J. Therien, S. K. Doorn, “Solvent and Wavelength-Dependent Photoluminescence Relaxation Dynamics of Carbon Nanotube sp3 Defect States” ACS Nano, 12, 8060 – 8070 (2018).

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B. Rodriguez-Hernandez, D. Ondarse-Alvarez, N. Oldani, A. Martınez-Mesa, L.  Uranga-Pinna, S. Tretiak, and S. Fernandez-Alberti, “Modification of optical properties and excited state dynamics by linearizing cyclic paraphenylene chromophores”, J. Phys. Chem. C, 122, 16639 – 16648 (2018).

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L. Lystrom, Y. Zhang, S. Tretiak, and T. Nelson, “Site-Specific Photodecomposition in Conjugated Energetic Materials”, J. Phys. Chem. A, 122, 6055 – 6061 (2018).

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V. M. Freixas S. Fernandez-Alberti, S. Tretiak, D. Shalashilin “Ab Initio Multiple Cloning approach for photoinduced dynamics in conjugated molecules” Phys. Chem. Chem. Phys. 20, 17762 – 17772 (2018).

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K. Liu, H. Li, S. Tretiak, V. Chernyak, “Solvent Effects and Charge Transfer States in Organic Photovoltaics: a TDDFT study on the PCPDTBT:PCBM Low Band Gap System”, J. Phot. Energy, 8, 032215 (2018).

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M. Park, A. J. Neukirch, S. E. Reyes-Lillo, M. Lai, S. R. Ellis, D. Dietze, J. B. Neaton, P. Yang, S. Tretiak, and R. A. Mathies, “Excited-State Vibrational Dynamics Toward the Polaron in Methylammonium Lead Iodide (MAPbI3) Perovskite” Nature Comm., 9, 2525 (2018).

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T. R. Nelson, D. Ondarse-Alvarez, N. Oldani, B. Rodriguez-Hernandez, L. Alfonso-Hernandez, J. F. Galindo, V. D. Kleiman, S. Fernandez-Alberti, A. E. Roitberg, S. Tretiak, “Coherent Exciton-Vibrational Dynamics and Energy Transfer in Conjugated Organics” Nature Comm., 9, 2316 (2018).

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J.-C. Blancon, A. V. Stier, H. Tsai, W. Nie, C. C. Stoumpos, B. Traore, L. Pedesseau, M. Kepenekian, S. Tretiak, S. A. Crooker, C. Katan, M. G. Kanatzidis, J. J. Crochet, J. Even and A. D. Mohite, “Scaling law for excitons in 2D perovskite quantum wells”, Nature Comm., 9, 2254 (2018).

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B. J. Gifford, A. E. Sifain, H. Htoon, S. K. Doorn, S. Kilina, S. Tretiak “Correction Scheme for Comparison of Computed and Experimental Optical Transition Energies in Functionalized Single-Walled Carbon Nanotubes” J. Phys. Chem. Lett. 9, 2460 – 2468 (2018).

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A. Zhugayevych, O. Mazaleva, A. Naumov, S. Tretiak, “Lowest-Energy Crystalline Polymorphs of P3HT” J. Phys. Chem. C, 122, 9141 – 9151 (2018).

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J. Zhang, J. Zhang, L. Zhou, C. Cheng, J. Liu, S. Tretiak, J. Lischner, F. Giustino and S. Meng, “Universal Scaling of Intrinsic Resistivity in Two-Dimensional Metallic Borophene” Ang. Chem. Int. Ed., 57, 4585 – 4589 (2018).

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H. Tsai, R. Asadpour, J.-C. Blancon, C. Stoumpos, O. Durand, J. W. Strzalka, B. Chen, R. Verduzco, P. M. Ajayan, S. Tretiak, J. Even, M. A. Alam, M. G. Kanatzidis, W. Nie and A. D. Mohite, “Light-induced lattice expansion leads to high-efficiency perovskite solar cells” Science, 360, 67 – 70 (2018).

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Related Science Daily: PDF file [128k]

Related Rice News: PDF file [200k]

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B. Traore, L. Pedesseau, L. Assam, X. Che, J.-C. Blancon, H. Tsai, W. Nie, C. C. Stoumpos, M. G. Kanatzidis, S. Tretiak, A. D. Mohite, J. Even, M. Kepenekian, C. Katan, “Composite nature of layered hybrid perovskites: Assessment on quantum and dielectric confinements and type-I band alignment” ACS Nano, 12, 3321 – 3332 (2018).

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Y. Jiao, F. Ma, L. Zhou, Y. H. Ng, J. Bell, S. Tretiak and A. Du, “Ab initio study of two-dimensional PdPS as an ideal light harvester and promising catalyst for hydrogen evolution reaction” Mat. Today Energy, 7, 136 – 140 (2018).

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L. Zhou, A. J. Neukirch, D. J. Vogel, D. S. Kilin, L. Pedesseau, M. A. Carignano, A. D. Mohite, J. Even, C. Katan, S. Tretiak, “Density of States Broadening in CH3NH3PbI3 Hybrid Perovskites Understood from ab initio Molecular Dynamics Simulations” ACS Energy Lett., 3, 787 – 793 (2018).

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H. Tsai, W. Nie, J.-C. Blancon, C. Stoumpos, C. M. M. Soe, J. Yoo, J. Crochet, S. Tretiak, J. Even, A. Sandhanala, G. Azzellino, R. Brenes, P. M. Ajayan, V. Bulovic, S. D. Stranks, R. H. Friend, M. G. Kanatzidis, and A. D. Mohite, “Stable Light-Emitting Diodes Using Phase-Pure Ruddlesden-Popper Layered Perovskites” Adv. Mat., 30, 1704217 (2018).

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J. A. Bjorgaard, D. Sheppard, S. Tretiak, and A. M. Niklasson, “Extended Lagrangian Excited State Molecular Dynamics” J. Chem. Theory Comput., 14, 799 – 806 (2018).

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W. Nie, H. Tsai, J.-C. Blancon, F. Liu, C. Stoumpos, B. Traore, M. Kopenekian, O. Durand, C. Katan, S. Tretiak, J. Crochet, P. M. Ajayan, M. G. Kanatzidis, J. Even and A. D. Mohite, “Critical Role of Interface and Crystallinity on the Performance and Photostability of Perovskite Solar Cell on Nickel Oxide” Adv. Mat., 30, 1703879 (2018).

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B. J. Gifford, S. Kilina, H. Htoon, S. K. Doorn and S. Tretiak, “Exciton Localization and Optical Emission in Aryl Functionalized Carbon Nanotubes” J. Phys. Chem. C (Editor Choice, Cover page), 122, 1828 – 1838 (2018).

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Journal cover page: PDF file [2Mb]

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Q. Cui, Y. Hu, C. Zhou, F. Teng, A. Zhugayevych, S. Tretiak, T.-Q. Nguyen and G. C. Bazan, “Single Crystal Microwires of p-DTS(FBTTh2)(2) and Their Use in the Fabrication of Field-Effect Transistors and Photodetectors” Adv. Func. Mat., 28, 1702073 (2018).

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R. Nieman, H. Tsai, W. Nie, A J. A. Aquino, A. D. Mohite, S. Tretiak, H. Li, and H. Lischka, “The Crucial Role of Spacer Material on the Efficiency of Charge Transfer Processes in a Donor-Acceptor Junction Organic Solar Cells” Nanoscale, 10, 451 – 459 (2018).

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B. T. Nebgen, H. D. Magurudeniya, K. Kwock, B. Ringstrand, T. Ahmed, S. Siefert, J.-X. Zhu, S. Tretiak and M. A. Firestone, “Design Principles and Multiscale Simulations for Determining Nanostructure in Self-Assembling Ionic Liquids” Faraday Discussions, 206, 159 – 181 (2018).

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2017

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M. A. Belyanchikov, E. S. Zhukova, S. Tretiak, A. Zhugayevych, M. Dressel, F. Uhlig, J. Smiatek, M. Fyta, V. G. Thomas, and B. P. Gorshunov, “Vibrational States of Nano-Confined Water Molecules in Beryl Investigated by First Principles Calculations and Optical Experiments” Phys. Chem. Chem. Phys., 19, 30740 – 30748 (2017).

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N. Oldani, S. K. Doorn, S. Tretiak, and S. Fernandez-Alberti, “Photoinduced Dynamics in Cycloparaphenylenes: Planarization, Electron-Phonon Coupling, Localization and Intra-Ring Migration of the Electronic Excitation” Phys. Chem. Chem. Phys., 19, 30914 – 30924 (2017).

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X. Ma, N. F. Hartmann, K. A. Velizhanin, J. K. S. Baldwin, L. Adamska, S. Tretiak, S. K. Doorn, and H. Htoon “Multi-Exciton Emission from Solitary Dopant States of Carbon Nanotubes” Nanoscale, 9, 16143 – 16148 (2017).

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S. L. Brown, E. K. Hobbie, S. Tretiak, D. S. Kilin, “First Principles Study of Fluorescence in Silver Nanoclusters” J. Phys. Chem. C, 121, 23875 – 23885 (2017).

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X. He, B. Gifford, N. F. Hartmann, R. Ihly, X. Ma, S. Kilina, Y. Luo, K. Shayan, S. Strauf, J. L. Blackburn, S. Tretiak, S. K. Doorn, and H. Htoon, “Low-Temperature Single Carbon Nanotube Spectroscopy of sp(3) Quantum Defects” ACS Nano, 11, 10785 – 10796 (2017).

PDF file [4Mb]

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P.-F. Liu, L. Zhou, S. Tretiak, and L.-M. Wu, “2D Hexagonal M3C2 (M = Zn, Cd, Hg) Monolayer are Quantum Spin Hall Insulators and Dirac Cone Materials” J. Mat. Chem. C, 5, 9181 – 9187 (2017).

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T. Nelson, S. Fernandez-Alberti, A. Roitberg and S. Tretiak, “Electronic Delocalization, Vibrational Dynamics, and Energy Transfer in Organic Chromophores” J. Phys. Chem. Lett. (Perspective), 8, 3020 – 3031 (2017).

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L. Zhou, Z. Zhuo, L. Kou, A. Du, and S. Tretiak, “Computational Dissection of Two-dimensional Rectangular Titanium Mononitride TiN: Auxetics and Promises for Photocatalysis” Nano Lett., 17, 4466 – 4472 (2017).

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H. Tsai, W. Nie, Y.H. Lin, J.-C. Blancon, S. Tretiak, J. Even, G. Gupta, P. M. Ajayan, and A. D. Mohite, “Effect of precursor solution aging on the crystallinity and photovoltaic performance of perovskite solar cells” Adv. Energy Mat., 7, 1602159 (2017).

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F. Zheng, P. M. Shenai, S. Fernandez-Alberti, S. Tretiak, Y. Zhao, “Photoinduced intra- and intermolecular energy transfer in Chlorophyll a Dimer” J. Phys. Chem. B, 121, 5331 – 5339 (2017).

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R. Franklin-Mergarejo, T. Nelson, S. Tretiak, and S. Fernandez-Alberti, “Phonon Bottleneck and Long-Lived Excited States in pi-Conjugated Pyrene Hoop” Phys. Chem. Chem. Phys., 19, 9478 – 9484 (2017).

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S. Athanasopoulos, L. Alfonso-Hernandez, D. Beljonne, S. Fernandez-Alberti, S. Tretiak, “Ultrafast Non-Forster Intramolecular Donor-Acceptor Excitation Energy Transfer” J. Phys. Chem. Lett., 8, 1688 – 1694 (2017).

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K. M. Pelzer, M. K. Y. Chan, A. Vazquez-Mayagoitia, L. E. Ratcliff, S. Tretiak, R. A. Bair, S. K. Gray, T. Van Voorhis, R. E. Larsen, S. B. Darling, “Molecular Dynamics and Charge Transport in Organic Photovoltaics: A Classical Approach to Modeling Electron Transfer”, Chem. Sci., 8, 2597 – 2609 (2017).

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J.-C. Blancon, H. Tsai, W. Nie, C. C. Stoumpos, L. Pedesseau, C. Katan, M. Kepenekian, C. M. M. Soe, K. Appavoo, M. Y. Sfeir, S. Tretiak, P. M. Ajaya, M. G. Kanatzidis, J. Even, J. J. Crochet, A. D. Mohite, “Extremely efficient internal exciton dissociation through edge-states in layered 2D perovskites” Science, 355, 1288 – 1291 (2017).

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Related Phys.org: PDF file [160k]

Related YouTube: PDF file [22Mb]

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A. E. Sifain, L. F. Tadesse, J. A. Bjorgaard, D. E. Chavez, O. V. Prezhdo, R. J. Scharff, and S. Tretiak, “Cooperative Enhancement of the Nonlinear Optical Response in Conjugated Energetic Materials: A TD-DFT Study” J. Chem. Phys., 146, 114308 (2017).

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J. E. Coughlin, A. Zhugayevych, M. Wang, G. C. Bazan and S. Tretiak “Charge Delocalization Characteristics of Regioregular High Mobility Polymers” Chem. Sci., 8, 1146 – 1151 (2017)

PDF file [3Mb]

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2016

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A. E. Sifain, J. A. Bjorgaard, T. W. Myers, J. M. Veauthier, D. E. Chavez, O. V. Prezhdo, R. J. Scharff, and S. Tretiak, “Photoactive Excited States in Explosive Fe (II)Tetrazine Complexes: A Time-Dependent Density Functional Theory Study” J. Phys. Chem. C, 120, 28762 – 28773 (2016).

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L. Alfonso-Hernandez, T. Nelson, M. F. Gelin, J. M. Lupton, S. Tretiak, and S. Fernandez-Alberti, Interference of Interchromophoric Energy Transfer Pathways in pi-Conjugated Macrocycles”, J. Phys. Chem. Lett., 7, 4936 - 4944 (2016).

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L. Pedesseau, D. Sapori, B. Traore, R. Robles, H.-H. Fang, M. A. Loi, H. Tsai, W. Nie, J.-C. Blancon, A. J. Neukirch, S. Tretiak, A. D. Mohite, C. Katan, J. Even, and M. Kepenekian, Advances and Promises of Layered Halide Hybrid Perovskites Semiconductors”, ACS Nano, (Review) 10, 9776 - 9786 (2016).

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H.-J. Yen, H. Tsai, M. Zhou, A. Chen, E. F. Holby, S. Choudhury, A. Chen, L. Adamska, S. Tretiak, T. Sanchez, S. Iyer, H. Zhang, L. Zhu, H. Lin, L. Dai, G. Wu, and H.-L. Wang, ”Structurally Defined 3D Nanographene Assemblies via Bottom-Up Chemical Synthesis for Highly Effcient Lithium Storage”, Adv. Mat., 28, 10250 - 10256 (2016).

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C.-Y. Kuo, Y. Liu, D. Yarotski, H. Li, P. Xu, H.-J. Hu, S. Tretiak, and H.-L. Wang, Synthesis, electrochemistry, STM investigation of oligothiophene self-assemblies with superior structural order and electronic properties”, Chem. Phys., 481, 191 - 197 (2016).

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S. Huang, C. Balasanthiran, S. Tretiak, S. Kilina, J. D. Hoefelmeyer, and D. S. Kilin, ”Dynamics of Charge at Water-to-Semiconductor Interface: Case Study of Wet [001] Anatase TiO2 Nanowire”, Chem. Phys., 481, 184 - 190 (2016).

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N. Dandu, S. Kilina, S. Tretiak, and D. S. Kilin, Through space and through bridge channels of charge transfer at p-n nano-junctions: A DFT study”, Chem. Phys., 481, 144 - 156 (2016).

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A. Zhugayevych, O. Postupna, H.-L. Wang, and S. Tretiak, "Modification of optoelectronic properties of conjugated oligomers due to donor/acceptor functionalization: A DFT study”, Chem. Phys., 481, 133 - 143 (2016).

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H. Li, C. Wu, S.V. Malinin, S. Tretiak, and V.Y. Chernyak, ”Exciton Scattering Approach for Optical Spectra Calculations in Branched Conjugated Macromolecules”, Chem. Phys., 481, 124 - 132 (2016).

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T. Nelson, A. Naumov, S. Fernandez-Alberti, and S. Tretiak, Nonadiabatic Excited-State Molecular Dynamics: On-the-Fly Limiting of Essential Excited States"”, Chem. Phys., 481, 84 - 90 (2016).

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M. Gelin, S. Tretiak, and O. Prezhdo, Quantum Dynamics and Femtosecond Spectroscopy”, Chem. Phys., 481, 1 - 2 (2016).

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J.-C. Blancon, W. Nie, A. J. Neukirch, G. Gupta, S. Tretiak, A. D. Mohite and J. Crochet, "The Effects of Electronic Impurities and Electron - Hole Recombination Dynamics on Large-Grain Organic - Inorganic Perovskite Photovoltaic Effciencies”, Adv. Func. Mat., 26, 4283 - 4292 (2016).

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D. Ondarse-Alvarez, S. Komurlu, A. E. Roitberg, G. Pierdominici-Sottile, S. Tretiak, S. Fernandez-Alberti, and V. Kleiman, ”Ultrafast electronic energy relaxation in a conjugated dendrimer leading to inter-branch energy redistribution”, Phys. Chem. Chem. Phys., 18, 25080 - 25089 (2016).

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H. Tsai, W. Nie, J.-C. Blancon, C. C. Stoumpos, R. Asadpour, B. Harutyunyan, A. J. Neukirch, R. Verduzco, J. J. Crochet, S. Tretiak, L. Pedesseau, J. Even, M. A. Alam, G. Gupta, J. Lou, P. M. Ajayan, M. J. Bedzyk, M. G. Kanatzidis and A. D. Mohite, High-efficiency two-dimensional Ruddlesden–Popper perovskite solar cells”, Nature, 536, 312 - 316 (2016).

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Related Science News: PDF file [28k]

Related News Wise: PDF file [1.1Mb]

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R. Franklin-Mergarejo, D. Ondarse Alvarez, S. Tretiak, and S. Fernandez-Alberti, Carbon nanorings with inserted acenes: breaking symmetry in excited state dynamics”, Sci. Rep., 6, 31253 (2016).

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J. A. Bjorgaard, A. E. Sifain, T. Nelson, T. W. Myers, J. M. Veauthier, D. E. Chavez, J. Scharff, and S. Tretiak, "Two-photon absorption in conjugated energetic molecules”, J. Phys. Chem. A, 120, 4455 - 4464 (2016).

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A. J. Neukirch, W. Nie, J.-C. Blancon, K. Appavoo, H. Tsai, M. Y. Sfeir, C. Katan, L. Pedesseau, J. Even, J. J. Crochet, G. Gupta, A. D. Mohite, and S. Tretiak, ”Polaron stabilization by cooperative lattice distortion and cation rotations in hybrid perovskite materials”, Nano Lett., 16, 3809 - 3816 (2016).

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M. Kim, L. Adamska, N. F. Hartmann, H. Kwon, J. Liu, K. A. Velizhanin, Y. Piao, L. R. Powell, B. Meany, S. K. Doorn, S. Tretiak, Y. Wang, ”Fluorescent Carbon Nanotube Defects Manifest Substantial Vibrational Reorganization”, J. Phys. Chem. C, 120, 11268 - 11276 (2016).

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W. Nie, J.-C. Blancon, A. J. Neukirch, K. Appavoo, T. Hsinhan, M. Chhowalla, M. A. Alam, M. Y. Sfeir, C. Katan, J. Even, S. Tretiak, J. Crochet, G. Gupta and A. D. Mohite, ”Light-activated photocurrent degradation and self-healing in perovskite solar cells”, Nature Comm., 7, 11574 (2016).

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Related Science Daily: PDF file [100k]

Related EurekAlert: PDF file [1.1Mb]

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J. A. Bjorgaard, K. A. Velizhanin, and S. Tretiak, ”Nonequilibrium solvent effects in Born-Oppenheimer molecular dynamics for ground and excited electronic states”, J. Chem. Phys., 144, 154104 (2016).

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S. Fernandez-Alberti, D. V. Makhov, S. Tretiak, D. Shalashilin, ”Non-Adiabatic Excited State Molecular Dynamics of phenyl ethylene dendrimer using multiconfigurational Ehrenfest approach”, Phys. Chem. Chem. Phys., 18, 10028 - 10040 (2016).

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T. W. Myers, J. A. Bjorgaard, K.  E. Brown, D. E. Chavez, S. K. Hanson, R. J. Scharff, S. Tretiak and J. M. Veauthier, ”Energetic Chromophores: Low-Energy Laser Initiation in Explosive Fe(II) Tetrazine Complexes”, J. Am. Chem. Soc., 138, 4685 - 4692 (2016).

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T. Nelson, J. Bjorgaard, M. Greenfield, C. Bolme, K. Brown, S. McGrane, R. J. Scharff and S. Tretiak, ”Ultrafast Photodissociation Dynamics of Nitromethane”, J. Phys. Chem. A, 120, 519 - 526 (2016).

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P. M. Shenai, S. Fernandez-Alberti, W. P. Bricker, S. Tretiak, and Y. Zhao, ”Internal Conversion and Vibrational Energy Redistribution in Chlorophyll A”, J. Phys. Chem. B, 120, 49 - 58 (2016).

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A. J. White, S. Tretiak, and D. Mozyrsky, Coupled wave-packets for non-adiabatic molecular dynamics: a generalization of Gaussian wave-packet dynamics to multiple potential energy surfaces”, Chem. Sci., 7, 4905 - 4911 (2016).

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2015

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L. Adamska, G. V. Nazin, S. K. Doorn, and S. Tretiak, Self-Trapping of Charge Carriers in Semiconducting Carbon Nanotubes: Structural Analysis”, J. Phys. Chem. Lett., 6, 3873 - 3879 (2015).

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J. F. Galindo, E. Atas, A. Altan, D. G. Kuroda, S. Fernandez-Alberti, S. Tretiak, V. Kleiman, A. E. Roitberg, ”Dynamics of Energy Transfer in a Conjugated Dendrimer Driven by Ultrafast Localization of Excitations”, J. Am. Chem. Soc. (journal cover page), 137, 11637 - 11644 (2015).

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Related journal cover page: PDF file [500K]

Related JACS spotlight: PDF file [100K]

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J. F. Galindo, E. Atas, A. Altan, D. G. Kuroda, S. Fernandez-Alberti, S. Tretiak, V. Kleiman, A. E. Roitberg, ”Dynamics of Energy Transfer in a Conjugated Dendrimer Driven by Ultrafast Localization of Excitations (vol 137, pg 11637, 2015)”, J. Am. Chem. Soc., 137, 4229 - 4229 (2015).

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W. P. Bricker, P. M. Shenai, A. Ghosh, M. G. M. Enriquez, P. H. Lambrev, Z. Liu, H.-S. Tan, C. S. Lo, S. Tretiak, S. Fernandez-Alberti, and Y. Zhao, Non-Radiative Relaxation of Photoexcited Chlorophylls: Theoretical and Experimental Study”, Sci. Rep., 5, 13625 (2015).

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J. Liu, S. Kilina, S. Tretiak, and O.V. Prezhdo, Ligands Slow Down Pure-Dephasing in Semiconductor Quantum Dots”, ACS Nano, 9, 9106 - 9116 (2015).

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J. A. Bjorgaard, K. A. Velizhanin, and S. Tretiak, "Solvent effects in time-dependent self-consistent field methods II: variational formulations and analytical gradients”, J. Chem. Phys., 143, 054305 (2015).

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A. J. White, V. N. Gorshkov, S. Tretiak, and D. Mozyrsky, ”Non-adiabatic Molecular Dynamics by Accelerated Semiclassical Monte Carlo”, J. Chem. Phys., 143, 014115 (2015).

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J. A. Bjorgaard, T. Nelson, K. Kalinin, V. Kuzmenko, K. A. Velizhanin, and S. Tretiak, ”Simulations of fluorescence solvatochromisms in substituted PPV oligomers from excited state molecular dynamics with implicit solvent”, Chem. Phys. Lett., 631, 66 - 69 (2015).

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S. Kilina, D. Kilin, and S. Tretiak, Light-Driven and Phonon-Assisted Dynamics in Organic and Semiconductor Nano-Structure”, Chem. Rev., 115, 5929 - 5978 (2015).

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L. Alfonso-Hernandez, T. Nelson, S. Tretiak, and S. Fernandez-Alberti, Photoexcited energy transfer in a weakly coupled dimer”, J. Phys. Chem. B, 119, 7242 - 7252 (2015).

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W. Nie, G. Gupta, B.K. Crone, F. Liu, D.L. Smith, P. Ruden, C. Kuo, H. Tsai, H.-L. Wang, H. Li, S. Tretiak, and A.D. Mohite, Interface Design Principles for High Efficiency Organic Semiconductor Devices”, Adv. Sci., 2, 1500024 (2015).

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M. T. Greenfield, S. D. McGrane, C. A. Bolme, J. A. Bjorgaard, T. R. Nelson, S. Tretiak and R. J. Scharff, ”Photoactive high explosives: linear and nonlinear photochemistry of petrin tetrazine chloride”, J. Phys. Chem. C, 119, 4846 - 4855 (2015).

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H. Yan, C. Chuang, A. Zhugayevych, S. Tretiak, F.W. Dahlquisti, and G.C. Bazan, ”Modeling inter-aromatic distances in Geobacter sulfurreducens pili relevant to biofilm charge transport”, Adv. Mat., 27, 1908 - 1911 (2015).

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M. Catanzaro, T. Shi, S. Tretiak, and V. Y. Chernyak, "Counting the number of excited states in organic semiconductor systems using topology”, J. Chem. Phys., 142, 084113 (2015).

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H. Chen, M. R. Golder, F. Wang, S. K. Doorn, R. Jasti, S. Tretiak, A. K. Swan, ”Raman-Active Modes of Even-Numbered Cycloparaphenylenes: Comparisons between Experiments and Density Functional Theory (DFT) Calculations with Group Theory Arguments”, J. Phys. Chem. C, 119, 2879 - 2887 (2015).

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W. Nie, T. Hsinhan, R. Asadpour, J.-C. Blancon, R. Kappera, M. Chhowalla, A. Neukirch, S. Tretiak, G. Gupta, J. Crochet, M. A. Alam, H.-L. Wang and A. D. Mohite, High-effciency solution-processed perovskite solar cells with millimeter-scale grains”, Science, 347, 522 - 525 (2015).

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Related LANL 1663: PDF file [6.5Mb]

Related C&EN News: PDF file [800K]

Related PBS NewsHour: PDF file [1Mb]

Related Science Daily: PDF file [1Mb]

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J. A. Bjorgaard, V. Kuzmenko, K. A. Velizhanin, and S. Tretiak, ”Solvent effects in time-dependent self-consistent field methods I: optical response calculations”, J. Chem. Phys., 142, 044103 (2015).

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S. Sampat, A. D. Mohite, B. Crone, S. Tretiak, A. Malko, A. J. Taylor, D. A. Yarotski, ”Tunable Charge Transfer Dynamics at Tetracene/LiF/C60 Interfaces”, J. Phys. Chem. C, 119, 1286 - 1290 (2015).

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N.F. Hartmann, S.E. Yalcin, L. Adamska, E.H. Haroz, X. Ma, S. Tretiak, H. Htoon, S.K. Doorn, Photoluminescence imaging of solitary dopant sites in covalently doped single-wall carbon nanotubes”, Nanoscale, 7, 20521 - 20530 (2015).

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J. Liu, L. Adamska, S. K. Doorn, and S. Tretiak, Singlet and Triplet Excitons and Charge Polarons in Cycloparaphenylenes: A Density Functional Theory Study”, Phys. Chem. Chem. Phys., 17, 14613 - 14622 (2015).

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A. Zhugayevych and S. Tretiak, Theoretical Description of Structural and Electronic Properties of Organic Photovoltaic Materials”, Annu. Rev. Phys. Chem., 66, 305 - 330 (2015).

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Y. Park, A. Zhugayevych, O. Postupna, S.-W. Kyu, Y.-S. Park, B. Park, J.S. Martinez, J. Park, S. Tretiak, and H.-L. Wang, A new pH sensitive

fluorescent and white light emissive material through controlled intermolecular charge transfer”, Chem. Sci., 6, 789 - 797 (2015).

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2014

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N. Makarov, P. C. Lau, C. Olson, K. A. Velizhanin, K. M. Solntsev, K. Kieu, S. Kilina, S. Tretiak, R. A. Norwood, N. Peyghambarian, and J. W. Perry, ”Two-photon absorption in CdSe colloidal quantum dots compared to organic molecules”, ACS Nano, 8, 12572 - 12586 (2014).

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T. Shi, H. Li, S. Tretiak, and V. Y. Chernyak, How Geometric Distortions Scatter Electronic Excitations in Conjugated Macromolecules”, J. Phys. Chem. Lett., 5, 3946 - 3952 (2014).

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A. J. White, V.N. Gorshkov, R. Wang, S. Tretiak, and D. Mozyrsky, Semiclassical Monte-Carlo: A First Principles Approach to Nonadiabatic Molecular Dynamics”, J. Chem. Phys., 141, 184101 (2014).

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M. A. Soler, T. Nelson, A. E. Roitberg, S. Tretiak, and S. Fernandez-Alberti, ”Signature of Nonadiabatic Coupling in Unique Excited-State Vibrational Modes”, J. Phys. Chem. A, 118, 10372 - 10379 (2014).

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D. Ondarse-Alvarez, N. Oldani, S. Tretiak, and S. Fernandez-Alberti, Computational Study of Photoexcited Dynamics in Bichromophoric Cross-shaped Oligofluorene”, J. Phys. Chem. A, 118, 10742 - 10753 (2014).

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L. Adamska, I. Nayyar, N. Oldani, S. Fernandez-Alberti, H. Chen, A. K. Swan, S. K. Doorn, and S. Tretiak,, ”Self-trapping of excitons, violation of Condon approximation and efficient fluorescence in conjugated cycloparaphenylenes”, Nano Lett., 14, 6539 - 6546 (2014).

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S. Kilina, P. Cui, S. A. Fischer, and S. Tretiak, ”Conditions for Directional Charge Transfer in CdSe Quantum Dots Functionalized by Ru(II) Polypyridine Complex”, J. Phys. Chem. Lett., 5, 3565 - 3576 (2014).

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S. A. Crooker, F. Liu, M. R. Kelley, N. J. D. Martinez, W. Nie, A. Mohite, I. H. Nayyar, S. Tretiak, D. L. Smith, and P. P. Ruden, ”Spectrally-resolved hyperfine interactions between polaron and nuclear spins in organic light emitting diodes: Magneto -electroluminescence studies”, Appl. Phys. Lett., 105, 153304 (2014).

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X. Ma, L. Adamska, H. Yamaguchi, S.E. Yalcin, S. Tretiak, S.K. Doorn, and H. Htoon, ”Electronic Structure and Chemical Nature of Oxygen Dopant States in Carbon Nanotubes”, ACS Nano, 8, 10782 - 10789 (2014).

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T. S. van der Poll, A. Zhugayevych, E. Chertkov, R. C. Bakus II, J. Coughlin, S. J. Teat, G. C. Bazan, and S. Tretiak, ”Polymorphism of Crystalline Molecular Donors for Solution-Processed Organic Photovoltaics”, J. Phys. Chem. Lett., 5, 2700 - 2704 (2014).

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H. Li, R. Nieman, A. J. A. Aquino, H. Lischka, and S. Tretiak, ”Comparison of LC-TDDFT and ADC(2) Methods in Computations of Bright and Charge Transfer States in Stacked Oligothiophenes”, J. Chem. Theory Comput., 5, 3280 - 3289 (2014).

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J. E. Coughlin, R. C. Bakus II, T. S. van der Poll, G. C. Welch, A. Zhugayevych, S. J. Teat, G. C. Bazan, and S. Tretiak, ”A Combined Experimental and Theoretical Study of Conformational Preferences of Molecular Semiconductors”, J. Phys. Chem. C, 118, 15610 - 15623 (2014).

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L. F. Lai, J.A. Love, A. Sharenko, J. E. Coughlin, V. Gupta, S. Tretiak, T.-Q. Nguyen, W.-Y. Wong, and G. C. Bazan, Topological Considerations for the Design of Molecular Donors with Multiple Absorbing Units”, J. Am. Chem. Soc., 136, 5591 - 5594 (2014).

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T. Nelson, S. Fernandez-Alberti, A. E. Roitberg, and S. Tretiak, Nonadiabatic Excited-State Molecular Dynamics: Modeling photophysics in organic conjugated materials”, Acc. Chem. Res., 47, 1155 - 1164 (2014).

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N. Oldani, S. Tretiak, G. Bazan, and S. Fernandez-Alberti, Modeling of internal conversion in photoexcited conjugated molecular donors used in organic photovoltaics”, Energy Env. Sci., 7, 1175 - 1184 (2014).

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H. Li, M. Catanzaro, S. Tretiak, and V.Y. Chernyak, ”Excited-state structure modifications due to molecular substituents and exciton scattering in conjugated molecules”, J. Phys. Chem. Lett., 5, 641 - 647 (2014).

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Y. Han, S. Tretiak, and D. S. Kilin, Dynamics of charge transfer at Au/Si metal-semiconductor nano-interface”, Mol. Phys., 112, 474 - 484 (2014).

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A. J. White, S. Tretiak, and M. Galperin, Raman Scattering in Molecular Junctions: A Pseudoparticle Formulation”, Nano Lett., 14, 699 - 703 (2014).

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2013

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T. Nelson, S. Fernandez-Alberti, A. E. Roitberg, and S. Tretiak, ”Artifacts Due to Trivial Unavoided Crossings in the Modeling of Photoinduced Energy Transfer Dynamics in Extended Conjugated Molecules”, Chem. Phys. Lett., 590, 208 - 213 (2013).

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J. Chen, Q. Meng, T. Inerbaev, S. Tretiak, A. Schmitz, D. S. Kilin, ”First-Principles Study of p-n-Doped Silicon Quantum Dots: Charge Transfer, Energy Dissipation, and Time-Resolved Emission”, J. Phys. Chem. Lett., 4, 2906 - 2913 (2013).

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I. H. Nayyar, A. Masunov, S. Tretiak, ”Comparison of TD-DFT Methods for the Calculation of Two-Photon Absorption Spectra of Olygophenylvinylenes”, J. Phys. Chem. C, 117, 18170 - 18189 (2013).

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C.-X. Sheng, S. Singh, A. Gambetta, T. Drori, M. Tong, S. Tretiak, and Z. V. Vardeny, ”Ultrafast intersystem-crossing in platinum containing pi - conjugated polymers with tunable spin-orbit coupling",”, Sci. Rep., 3, 2653 (2013).

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H. Li, C. Wu, S.V. Malinin, S. Tretiak, and V.Y. Chernyak, ”Effective tight-binding models for excitons in branched conjugated molecules”, J. Chem. Phys., 139, 064109 (2013).

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V. N. Gorshkov, S. Tretiak, and D. Mozyrsky, ”Semiclassical Monte-Carlo approach for modeling non-adiabatic dynamics in extended molecules”, Nature Comm, 4, 2144 (2013).

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Y. Park, C.-Y. Kuo, J. S. Martinez, Y.-S. Park, O. Postupna, A. Zhugayevych, S. Kim, J. Park, S. Tretiak, and H.-L. Wang, Tailored synthesis and processing of conjugated oligomers with controllable electronic structure and optical properties”, ACS Appl. Mater., 5, 4685 – 4695 (2013).

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I. Nayyar, E. Batista, S. Tretiak, A. Saxena, D.L. Smith, R.L. Martin, ”Effect of trans and cis Isomeric Defects on the Localization of the Charged Excitations in pi-Conjugated Organic Polymers”, J. Pol. Phys. B (journal cover page), 51, 935 - 942 (2013).

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T. Nelson, S. Fernandez-Alberti, A. E. Roitberg, and S. Tretiak, Nonadiabatic Excited-State Molecular Dynamics: Treatment of Electronic Decoherence”, J. Chem. Phys., 138, 224111 (2013).

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S. Kilina, N. Dandu, E. Batista, A. Saxena, D.L. Smith, R.L. Martin, S. Tretiak, ”Effect of Packing on Formation of Deep Carrier Traps in Amorphous Conjugated Polymers”, J. Phys. Chem. Lett., 4, 1453 - 1459 (2013).

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A. Zhugayevych, O. Postupna, R. Bakus II, G. Welch, G. Bazan, S. Tretiak, ”Ab-initio study of a molecular crystal for photovoltaics:  light absorption, exciton and charge carrier transport”, J. Phys. Chem. C, 117, 4920 - 4930 (2013).

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J.G. Duque, L. Oudjedi, J. Crochet, S. Tretiak, B. Lounis, S.K. Doorn, L. Cognet, ”Mechanism of Electrolyte-Induced Brightening in Single-Wall Carbon Nanotubes”, J. Am. Chem. Soc., 135, 3379 - 3382 (2013).

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J. Ramirez, Michael L. Mayo, S. Tretiak and S. Kilina, ”Electronic Structure Calculations and Optical Spectra of Semiconducting Carbon Nanotube functionalized by Diazonium Systems”, Chem. Phys., 413, 89 - 101 (2013).

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I. Nayyar, E. Batista, S. Tretiak, A. Saxena, D.L. Smith, R.L. Martin, ”Role of Geometric Distortion and Polarization in Localizing Electronic Excitations in Conjugated Polymers”, J. Chem. Theory Comput., 9, 1144 - 1154 (2013).

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T. Nelson, S. Fernandez-Alberti, A.E. Roitberg, S. Tretiak, Conformational Disorder in Energy Transfer: Beyond Forster Theory”, Phys. Chem. Chem. Phys., 15, 9245 - 9256 (2013).

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2012

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H. Li, V. Chernyak, and S. Tretiak, ”Natural Atomic Orbital Representation for Optical Spectra Calculations in the Exciton Scattering Approach”, J. Phys. Chem. Lett., 137, 3734 - 3739 (2012).

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S. Fernandez-Alberti, V. D. Kleiman, T. Nelson, S. Tretiak and A. E. Roitberg, ”Shishiodoshi unidirectional energy transfer mechanism in phenylene ethynylene dendrimers”, J. Chem. Phys., 137, 22A526 (2012).

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M. A. Soler, A. E. Roitberg, T. Nelson, S. Tretiak, and S. Fernandez-Alberti, ”Analysis of state-specific vibrations coupled to the unidirectional energy transfer in conjugated dendrimers”, J. Phys. Chem. A, 116, 9802 - 9810 (2012).

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S. Kilina, K. Velizhanin, S. Ivanov, O. V. Prezhdo and S. Tretiak, ”Surface ligands increase photoexcitation relaxation rates in CdSe quantum dots”, ACS Nano, 6, 6515 - 6524 (2012).

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S. Fernandez-Alberti, A. E. Roitberg, T. Nelson, and S. Tretiak, ”Identification of unavoided crossings in nonadiabatic photoexcited dynamics involving multiple electronic states in polyatomic conjugated molecules”, J. Chem. Phys., 137, 014512 (2012).

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S. Kilina, J. Ramirez, and S. Tretiak, Chemical Functionalization and Brightening of Dark Excitons in Semiconducting Carbon Nanotubes”, Nano Lett., 12, 2306 - 2312 (2012).

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A. Furmanchuk, J. Leszczynski, S. Tretiak and S. Kilina, "Morphology and Optical Response of Carbon Nanotubes Functionalized by Conjugated Polymers”, J. Phys. Chem. C, 116, 6831 - 6840 (2012).

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S. A. Fischer, A. M. Crotty, S. Kilina, S. Ivanov, and S. Tretiak, ”Passivating ligand and solvent contributions to the electronic properties of semiconductor nanocrystals”, Nanoscale, 4, 904 – 914 (2012).

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T. Nelson, S. F. Alberti, V. Chernyak, A. E. Roitberg, and S. Tretiak, Nonadiabatic Excited-State Molecular Dynamics (NA-ESMD). Numerical tests of convergence and parameters”, J. Chem. Phys., 136, 054108 (2012).

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J. Clark, T. Nelson, S. Tretiak, G. Cirmi, and G. Lanzani, ”Femtosecond Torsional Relaxation”, Nature Physics, 8, 225 – 231 (2012).

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Related News & Views: PDF file [300K]

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S. Goel, K.A. Velizhanin, A. Piryatinski, S.A. Ivanov, and S. Tretiak, Ligand Effects on Optical Absorption of Small Gold Clusters: A TDDFT Study”, J. Phys. Chem. B, 116, 3242 – 3249 (2012).

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2011

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P. Yang, S. Tretiak, S. Ivanov, ”Influence of Surfactants and Charges on CdSe Quantum Dots”, J. Clust. Sci, 22, 405 – 431 (2011).

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V.V. Albert, S. Ivanov, S. Tretiak and S. Kilina, Electronic Structure of Ligated CdSe Clusters: Dependence on DFT Methodology”, J. Phys. Chem. B, 115, 15793 – 15800 (2011).

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V.V. Albert, E. Badaeva, S. Kilina, M. Sykora, and S. Tretiak ”The Frenkel Exciton Hamiltonian for Functionalized Ru(II)-bpy Complexes”, J. Lum., 131, 1739 – 1746 (2011).

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A. Y. Koposov, T. Cardolaccia, V.V. Albert, E. Badaeva, S. Kilina, T. J. Meyer, S. Tretiak, and M. Sykora ”Formation of Assemblies Comprising Ru-polypyridine Complexes and CdSe Nanocrystals Studied by ATR-FTIR Spectroscopy and DFT Modeling”, Langmuir, 27, 8377 - 8383 (2011).

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J.G. Duque, H. Chen, A.K. Swan, A.P. Shreve, S. Kilina, S. Tretiak, X. Tu, M. Zheng, S.K. Doorn ”Violation of the Condon Approximation in Semiconducting Carbon Nanotubes”, ACS Nano, 5, 5233 – 5241 (2011).

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V. Chernyak, J. Knoester, and S. Tretiak, Tribute to Shaul Mukamel”, J. Phys. Chem. B, 115, 5037 – 5038 (2011).

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H. Li, C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, ”Exciton Scattering on Branching Centers in Conjugated Molecules”, J. Phys. Chem. B, 115, 5465 – 5475 (2011).

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T. Nelson, S. F. Alberti, V. Chernyak, A. Roitberg, and S. Tretiak, ”The NA-ESMD modeling of photoinduced dynamics in conjugated molecules”, J. Phys. Chem. B, 115, 5402 – 5414 (2011).

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S. Kilina, D. A. Yarotski, A. A. Talin, S. Tretiak, A. J. Taylor and A. V. Balatsky, ”Unveiling Stability Criteria of DNA-Carbon Nanotubes Constructs by Scanning Tunneling Microscopy and Computational Modeling”, J. Drug. Delivery, 2011, 415621 (2011).

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I. Nayyar, E. Batista, S. Tretiak, A. Saxena, D.L. Smith, R.L. Martin, ”Localization of electronic excitations in conjugated polymers studied by DFT”, J. Phys. Chem. Lett., 2, 566 – 571 (2011).

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T. Kobayashi, J. Du, F. Wei, K. Yoshino, S. Tretiak, A. Saxena, and A. R. Bishop, ”Observation of breather and soliton in a substituted polythiophene with a degenerate ground state”, Phys. Status Solidi, 8, 74 – 9 (2011).

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H. Wettach, S. Hger, D. Chaudhuri, J.M. Lupton, F. Liu, E.M. Lupton, S. Tretiak, S. De Feyter, and S. Forster, ”Synthesis and Properties of a Triphenylene-Butadiinylene Macrocycle”, J. Mater. Chem., 21, 1404 – 1415 (2011).

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2010

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T. Kobayashi, J. Du, W. Feng, K. Yoshino, S. Tretiak, A. Saxena and A. R. Bishop, ”Observation of breather excitons in a substituted polythiophene with a degenerate ground state”, Phys. Rev. B, 81, 075205 (2010).

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S. Goel, K. A. Velizhanin, A. Piryatinski, S. Tretiak and S. A. Ivanov, ”DFT Study of Ligand Binding to Small Gold Clusters”, J. Phys. Chem. Lett., 1, 927 - 931 (2010).

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H. Li, S. Malinin, S. Tretiak, and V. Chernyak, Exciton scattering approach for branched conjugated molecules and complexes. IV. Transition dipoles and optical spectra”, J. Chem. Phys., 132, 124103 (2010).

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C. Katan, M. Charlot, O. Mongin, C. Le Droumaguet, V. Jouikov, F. Terenziani, E. Badaeva, S. Tretiak and M. Blanchard-Desce, ”Simultaneous Control of Emission Localization and Two-photon Absorption Efficiency in Dissymmetrical Chromophores”, J. Phys. Chem. B, 114, 3152-3169 (2010).

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C. Katan, S. Tretiak, and J. Even, Two-photon transitions in triazole based quadrupolar and octupolar chromophores: a TD-DFT investigation” in Nanophotonics III, edited by D.L. Andrews, J.-M. Nunzi, A. Ostendorf, Proceedings of SPIE Vol. 7712, 77123D (2010).

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J. Tao, S. Tretiak, and J.-X. Zhu, Prediction of Excitation Energies for Conjugated Oligomers and Polymers from Time-Dependent Density Functional Theory”, Materials, 3, 3430-3467 (2010).

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E. Badaeva, V. Albert, S. Kilina, M. Sykora, and S. Tretiak, ”Effect of deprotonation on absorption and emission spectra of Ru(II)-bpy complexes functionalized with carboxyl groups”, Phys. Chem. Chem. Phys., 12, 8902-8913 (2010).

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S. F. Alberti, V. Kleiman, S. Tretiak, A. Roitberg, Unidirectional energy transfer in conjugated molecules: the crucial role of high frequency C(triple)C bonds”, J. Phys. Chem. Lett., 1, 2699-2704 (2010).

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C. Katan, M. Blanchard-Desce, and S. Tretiak, Position isomerism on one and two photon absorption in multibranched chromophores: a TDDFT investigation”, J. Chem. Theory Comput., 6, 3410-3426 (2010).

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E. Badaeva, M.R. Harpham, R. Guda, O. Suzer, C.Ma, P. Bauerle, T. Goodson III, and S. Tretiak, ”Excited State Structure of Oligothiophene Dendrimers: Computational and Experimental Study”, J. Phys. Chem. B, 114 15808-15817 (2010).

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H. Li, C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Excited States of Donor and Acceptor Substituted Conjugated Oligomers: a Perspective from the Exciton Scattering Approach”, J. Phys. Chem. Lett., 1, 3396 - 3400 (2010).

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2009

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J. Tao, S. Tretiak, and J.-X. Zhu,Prediction of excitation energies for conjugated polymers using time-dependent time-dependent density functional theory”, Phys. Rev. B, 80, 235110 (2009).

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T. Korzdorfer, S. Tretiak, and S. Kummel, Fluorescence quenching in an organic donor-acceptor dyad: a first principles study”, J. Chem. Phys., 131, 034310 (2009).

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J. Tao, S. Tretiak, Optical absorptions of new blue-light emitting oligoquinolines bearing pyrenyl and triphenyl endgroups investigated with time-dependent density functional theory”, J. Chem. Theory and Comput., 5, 866-872 (2009).

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S. F. Alberti, V. Kleiman, S. Tretiak, A. Roitberg, ”Nonadiabatic molecular dynamics simulations of the energy transfer between building blocks in a phenylene ethynylene dendrimer”, J. Phys. Chem. A, 113, 7535-7542 (2009).

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S. Kilina, E. Badaeva, S. Tretiak, A. Piryatinski, A. Saxena, and A.R. Bishop, ”Bright and Dark Excitons in Semiconductor Carbon Nanotubes: Insights from electronic structure calculations”, Phys. Chem. Chem. Phys. (journal cover page) 21, 4113 - 4123 (2009).

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Related journal cover page: PDF file [200K]

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S. Kilina, S. Ivanov, and S. Tretiak Effect of Surface Ligands on Optical and Electronic Spectra of Semiconductor Nanoclusters”, J. Am. Chem. Soc., 131, 7717-7726 (2009).

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V.K. Thorsmolle, R.D. Averitt, J. Demsar, D.L. Smith, S. Tretiak, R.L. Martin, X. Chi,

B.K. Crone, A.P. Ramirez and A.J. Taylor, Photoexcited carrier relaxation dynamics in pentacene probed by ultrafast optical spectroscopy: Influence of morphology on relaxation processes”, Physica B, 404, 3127-3130 (2009).

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C.Y. Wong, C. Curutchet, S. Tretiak, and G.D. Scholes, Ideal dipole approximation fails to predict electronic coupling between semiconducting single wall carbon nanotubes”, J. Chem. Phys., 130, 081104 (2009).

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S. Tretiak, C. Isborn, A.M. Niklasson, and W.M. Challacombe, Representation independent algorithms for molecular response calculations in time-dependent self-consistent field theories”, J. Chem. Phys., 130, 054111 (2009).

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D.A. Yarotski, S.V. Kilina, A. Talin, S. Tretiak, O.V. Prezhdo, A.V. Balatsky and A.J. Taylor ”Scanning tunneling microscopy of DNA-wrapped carbon nanotubes”, Nano Lett., 9, 12-17 (2009).

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V.K. Thorsmolle, R.D. Averitt, J. Demsar, D.L. Smith, S. Tretiak, R.L. Martin, X. Chi, B.K. Crone, A.P. Ramirez and A.J. Taylor, ”Ultrafast exciton dynamics in polyacene organic semiconductors”, Phys. Rev. Lett., 102, 017401 (2009).

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2008

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J. Tao, S. Tretiak, and J.-X. Zhu, Absorption spectra of blue-light emitting oligoquinolines from time-dependent density functional theory”, J. Phys. Chem. B, 112, 13701-13710 (2008).

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C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Exciton Scattering Approach for branched conjugated molecules and complexes III: Applications,” J. Chem. Phys., 129, 174113 (2008).

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C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Exciton Scattering Approach for branched conjugated molecules and complexes II: Retrieving Exciton Scattering parameters from quantum-chemical calculations,” J. Chem. Phys.,129, 174112 (2008).

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C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Exciton Scattering Approach for branched conjugated molecules and complexes I: Formalism,” J. Chem. Phys., 129, 174111 (2008).

PDF file [200K]

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F. Terenziani, C. Katan, M. Blanchard-Desce, E. Badaeva, and S. Tretiak, Enhanced two-photon absorption of organic chromophores: theoretical and experimental assessments”, Adv. Mat. (Review Article, journal cover page), 20, 1-38 (2008).

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Related journal cover page: PDF file [500K]

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M.J. Lucero, A.M. Niklasson, S. Tretiak, and W.M. Challacombe, Molecular-Orbital- Free Algorithm for Excited States in Time-Dependent Perturbation Theory”, J. Chem. Phys., 129, 064114 (2008).

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P. Yang, S. Tretiak, A.E.Masunov, and S. Ivanov, ”Quantum Chemistry of the Minimal CdSe Clusters”, J. Chem. Phys., 129, 074709 (2008).

PDF file [320K]

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S. Kilina, E.R. Batista, P. Yang, S. Tretiak, A. Saxena, R.L. Martin, and D.L. Smith ”Electronic structure of amorphous polyfluorene aggregates”, ACS Nano, 2, 1381-1388 (2008).

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K. Becker, E. Da Como, J. Feldmann, F. Scheliga, E. Thorn Csányi, S. Tretiak, J.M. Lupton, "How chromophore shape controls photophysical function in phenylene-vinylenes", J. Phys. Chem. B, 112, 4859-4864 (2008).

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Related News & Views: PDF file [170K]

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S. Kilina, S. Tretiak, S.K. Doorn, Z. Luo, F. Papadimitrakopoulos, A. Piryatinski, A. Saxena, R.L. Martin, and A.R. Bishop, "Cross-polarized Excitons of Carbon Nanotubes", Proc. Nat. Acad. Sci. USA, 105 6797-6802 (2008).

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A. Piryatinski, S. Tretiak, and V. Chernyak, "Dynamical variational approach to non-adiabatic electronic structure", Chem. Phys. 347 2538 (2008).

PDF file [320K]

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M. Galperin and S. Tretiak, Linear optical response of current-carrying molecular junction: A NEGF-TDDFT approach”, J. Chem. Phys. 128, 124705 (2008).

PDF file [200K]

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J. Tao, S. Tretiak, and J.-X. Zhu, Performance of a non-empirical meta-GGA density functional for excitation energies”, J. Chem. Phys. 128, 084110 (2008).

PDF file [100K]

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C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Multiscale Modeling of Electronic Excitations in Branched Conjugated Molecules Using Exciton Scattering Approach”, Phys. Rev. Lett., 100, 057405 (2008).

PDF file [250K]

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E. Badaeva and S. Tretiak Two photon absorption of extended substituted phenylenevinylene oligomers: a TDDFT study”, Chem. Phys. Lett., 450, 322-328 (2008).

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2007

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P. Yang, E. Batista, A. Saxena, R.L. Martin, S. Tretiak and D.L. Smith ”Effect of intra-molecular disorder and inter-molecular electronic interactions on the electronic structure of poly-p-phenylene vinylene (PPV)”, Phys. Rev. B (Rapid Comm.) 76, 241201 (2007).

PDF file [500K]

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S. Kilina and S. Tretiak, Excitonic and vibrational properties of single-walled semiconducting carbon nanotubes”, Adv. Func. Mat. (Feature Article, journal cover page) 17, 3405-3420 (2007).

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Related journal cover page: PDF file [500K]

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S. Kilina, S. Tretiak, D. Yarotskii, J.X. Zhu, N. Modine, A. Taylor and A.V. Balatsky, ”Electronic properties of DNA base molecules adsorbed on a metallic surface”, J. Phys. Chem. C, 111, 14541-14551 (2007).

PDF file [550K]

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K. Igumenshchev, S. Tretiak, and V. Chernyak, Excitonic effects in a time-dependent density functional theory”, J. Chem. Phys., 127, 114902 (2007).

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Z. Tang, N. Caculitan, M.S. Johal, P. Scudder, R.J. Magyar, S. Tretiak, and H.-L. Wang, A Study of the non-covalent interactions in Langmuir-Blodgett Films: An interplay between and dipole-dipole interactions,” Thin Solid Films, 516, 58-66 (2007).

PDF file [700K]

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S.A. Ivanov, A. Piryatinski, J. Nanda, S. Tretiak, K. R. Zavadil, W. O. Wallace, D. Werder, V.I. Klimov, ”Type-II Core/Shell CdS/ZnSe nanocrystals: synthesis, electronic structures, and spectroscopic properties,”  J. Am. Chem. Soc., 129, 11708-11719 (2007).

PDF file [500K]

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G.D. Scholes, S. Tretiak, T.J. McDonald, W.K. Metzger, C. Engtrakul, G. Rumbles, and M.J. Heben, ”Low-lying exciton states determine the photophysics of semiconducting single wall carbon nanotube”, J. Phys. Chem. C (journal cover page), 111, 11139-11149 (2007).

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Related journal cover page: PDF file [810K]

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S. Tretiak, Triplet absorption in carbon nanotubes: a TD-DFT study,” Nano Letters (journal cover page), 7, 2201-2206 (2007).

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Related journal cover page: PDF file [130K]

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C. Katan, F. Terenziani, C. Droumaguet, O. Mongin, M.H.V. Werts, A. Bain, E. Badaeva, S. Tretiak, and M. Blanchard-Desce, ”Two-photon transitions in quadrupolar and branched chromophores: experiment and theory”, J. Phys. Chem. A, 111, 9468 - 9483 (2007).

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A. Piryatinski, S. Tretiak, T.D. Sewell, and S.D. McGrane, Vibrational spectroscopy of polyatomic materials: Semiempirical calculations of anharmonic couplings and IR Raman linewidth in naphthalene and PETN crystals”, Phys. Rev. B, 75, 214306 - 214315 (2007).

PDF file [840K]

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R. J. Magyar and S. Tretiak, The implications of spurious charge-transfer in TDDFT on the accurate description of large molecules and clusters,” J. Chem. Theory and Comput., 3, 976 - 987 (2007).

PDF file [870K]

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A. Tamulis, V. I. Tsifrinovich, S. Tretiak, G. P. Berman, D. L. Allara, Neutral Radical Molecules Ordered in Self-Assembled Monolayer Systems for Quantum Information Processing”, Chem. Phys. Lett., 436, 144 - 149 (2007).

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P.T. Araujo, S.K. Doorn, S. Kilina, S. Tretiak, S. Maruyama, H. Chacham, M.A. Pimenta and A. Jorio, Study of the third and fourth optical levels in carbon nanotubes”, Phys. Rev. Lett., 98, 067401 (2007).

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A.P. Shreve, E.H. Haroz, S.M. Bachilo, R.B. Weisman, S. Tretiak, S. Kilina, and S.K. Doorn, ”Determination of Exciton-Phonon Coupling Elements in Single-Walled Carbon Nanotubes by Raman Overtone Analysis”, Phys. Rev. Lett., 98, 037405 (2007).

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C. Wu, S. Tretiak, and V. Chernyak, Excited states and optical response of a donor-acceptor substituted polyene: a TD-DFT study,” Chem. Phys. Lett., 433, 305 – 311 (2007).

PDF file [230K]

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A. Piryatinski, S.A. Ivanov, S. Tretiak, and V.I. Klimov, Effect of Quantum and Dielectric Confinement on the Exciton-Exciton Interaction Energy in Type-II Core/Shell Semiconductor Nanocrystals,” Nano Letters, 7, 108 - 115 (2007).

PDF file [360K]

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S. Tretiak, S. Kilina, A. Piryatinski, A. Saxena, R.L. Martin and A.R. Bishop, ”Excitons and Peierls distortion in conjugated carbon nanotubes,” Nano Letters, 7, 86 - 92 (2007).

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2006

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Z. Tang, R. K. Hicks, R. J. Magyar, S. Tretiak, Y. Gao, H.-L. Wang, Synthesis and Characterization of Amphiphilic Phenylene-Ethynylene Oligomers and Their Langmuir-Blodgett Films”, Langmuir, 22, 8813-8820 (2006).

PDF file [270K]

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A. Piryatinski and S. Tretiak, Effect of Quantum and Dielectric Confinements on the Exciton-Exciton Interaction Energy in Type-II Core/Shell Semiconductor Nanocrystals,” SPIE Newsroom 8, 384 (2006).

PDF file [170K]

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C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Exciton scattering and localization in branched dendrimeric structures,” Nature Phys., 2, 631 - 635 (2006).

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Related News & Views: PDF file [150K]

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A. Gambetta, C. Manzoni, E. Menna, M. Meneghetti, G. Cerullo, G. Lanzani, S. Tretiak, A. Piryatinski, A. Saxena, R. L. Martin and A. R. Bishop, ”Real time observation of non-linear vibrational dynamics in semiconducting single wall carbon nanotubes,” Nature Phys., 2, 515-520 (2006).

PDF file [320K]

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 J. Nanda, S. A. Ivanov, H. Htoon, I. Bezel, A. Piryatinski, S. Tretiak, and V. I. Klimov, ”Absorption cross sections and Auger recombination lifetimes in inverted core-shell nanocrystals: Implications for lasing performance”, J. Appl. Phys., 99, 034309 (2006).

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J. F. Kauffman, J. M. Turner, I. V. Alabugin, B. Breiner, E. A. Badaeva, A. Masunov, and S. Tretiak, ”Two-photon excitation of substituted enediynes”, J. Phys. Chem. A, 110, 241-251 (2006).

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2005

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A. Piryatinski, M. Stepanov, S. Tretiak, and V. Chernyak, "Semiclassical scattering on conical intersections", Phys. Rev. Lett., 70, 223001 (2005).

PDF file [310K]

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C. Katan,  F. Terenziani, C. Le Droumaguet, O. Mongin, M. H. V. Werts, S. Tretiak, and Mireille Blanchard-Desce, "Branching of dipolar chromophores: effects on linear and nonlinear optical properties,"  Proc. SPIE Vol. 5935, p. 13-27 in Linear and Nonlinear Optics of Organic Materials V; Ed. Manfred Eich (2005).

PDF file [760K]

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E. A. Badaeva, T. V. Timofeeva, A. Masunov,  S. Tretiak, "Role of donor-acceptor strengths and separation on the two-photon absorption response of cytotoxic dyes: a TD-DFT study," J. Phys. Chem. A, 109, 7276 (2005).

PDF file [750K]

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A. Masunov, S. Tretiak, J. W. Hong, B. Liu, and G. C. Bazan, "Theoretical study of the effects of solvent environment on photophysical properties and electronic structure of paracyclophane chromophores", J. Chem. Phys., 122, 224505 (2005).

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C. Katan, L. Porrès, O. Mongin, M. H. V. Werts, F. Terenziani, T. Pons, J. Mertz,  S. Tretiak, and M. Blanchard-Desce, "Effects of (multi)branching of dipolar chromophores on photophysical properties and two-photon absorption," J. Phys. Chem. A, 109, 3024 (2005).

PDF file [610K]

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S. Tretiak, K. Igumenshchev and V. Chernyak, "Exciton sizes of conducting polymers predicted by time-dependent density functional theory", Phys. Rev. B, 71, 033201 (2005).

 PDF file [610K]

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R. J. Magyar, S. Tretiak, Y.  Gao,  H.-L. 
Wang  and  A. P. Shreve, "A joint theoretical and experimental study of phenylene-acetylene molecular wires", Chem. Phys. Lett., 401, 149 (2005).

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2004

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S. Tretiak, A. Piryatinski, A. Saxena, R. L. Martin, and A. R. Bishop, "On the existence of photoexcited breathers in conducting polymers," Phys. Rev. B, 70, 233203 (2004).

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A. Piryatinski, S. Tretiak, A. Saxena, R. L. Martin, and A. R. Bishop "Three-pulse photon-echo spectroscopy as a probe of the photoexcited electronic state manifold in coupled electron-phonon system", Phys. Rev. B (Rapid Comm.), 70, 161404 (2004).

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I. Franco and S. Tretiak,  "Electron-vibrational dynamics of photoexcited polyfluorenes," J. Am. Chem. Soc., 126, 12130 (2004).

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G. P. Bartholomew, M. Rumi, S. J. K. Pond, J. W. Perry, S. Tretiak and G. C. Bazan "Two-photon absorption in three-dimensional chromophores based on [2.2] - Paracyclophane," J. Am. Chem. Soc., 126, 11529 (2004).

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S. A. Ivanov, J. Nanda, A. Piryatinski, M. Achermann, L. P. Balet, I. V. Bezel, P. O. Anikeeva, S. Tretiak, and V. I. Klimov, "Light amplification using inverted core/shell nanocrystals: towards lasing in the single-exciton regime", J. Phys. Chem. B, 108, 10625 (2004).

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 N. Kobko, A. Masunov and S. Tretiak, "Calculations of the third-order nonlinear optical responses in push-pull chromophores with a time-dependent density functional theory," Chem. Phys. Lett., 392, 444 (2004).

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A. Masunov and S. Tretiak, "Prediction of two photon absorption properties for the large organic molecules using the time-dependent density functional theory," J. Phys. Chem. B, 108, 889 (2004).

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2003

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A. M. Moran, A. Myers Kelley, and S. Tretiak, "Excited state molecular dynamics simulations of nonlinear push–pull chromophores," Chem. Phys. Lett., 367, 293 (2003).

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S. Tretiak, R. L. Martin, A. Saxena, and A. R. Bishop, "Photoexcited breathers in conjugated polyenes: An excited state molecular dynamics study," Proc. Nat. Acad. Sci. USA, 100, 2185 (2003).

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I. Franco and S. Tretiak, "Photoexcitation dynamics of polyfluorenes in the presence of chemical defects: a theoretical study," Chem. Phys. Lett., 372, 403  (2003).

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S. Tretiak and V. Chernyak, "Resonant nonlinear polarizabilities in the time-dependent density functional (TDDFT) theory," J. Chem. Phys., 119, 8809 (2003).

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S. Tretiak, R. L. Martin, A. Saxena, and A. R. Bishop, "Photoexcitation dynamics in polyconjugated molecules," Attidella Fondazione Giorgio Ronchi, ANNO-LVIII, 6, 819 (2003).

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2002

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I. H. Campbell, D. L. Smith, S. Tretiak, R. L. Martin, C. J. Neef and J. P. Ferraris, "Excitation transfer processes in a phosphor-doped poly(p-phenylene vinylene) light-emitting diode," Phys. Rev. B, 6508, 5210 (2002).

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S. Tretiak, R. L. Martin, A. Saxena, and A. R. Bishop, "Conformational dynamics of photoexcited conjugated molecules," Phys. Rev. Lett., 89, 97402 (2002).

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S. Tretiak and S. Mukamel, "Density matrix analysis and simulation of electronic excitations in conjugated and aggregated molecules," Chem. Rev., 102, 3171 (2002). [REVIEW]

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S. A. Crooker, J. Hollingsworth, S. Tretiak, and V. I. Klimov, "Spectrally resolved dynamics of energy transfer in quantum-dot assemblies: Towards engineered energy flows in artificial materials," Phys. Rev. Lett., 89, 6802 (2002).

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K. A. Nguyen, R. Pachter, S. Tretiak, V. Chernyak, and S. Mukamel, "Analysis of absorption spectra of zinc porphyrin, zinc meso-tetraphenylporphyrin, and halogenated derivatives," J. Phys. Chem. B, 106, 10285 (2002).

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S. Tretiak, R. L. Martin, A. Saxena, and A. R. Bishop, "Geometry relaxation of photoexcited states in conjugated molecules," Phase Transitions, 75, 725 (2002).

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2001

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V. Chernyak, S. Tretiak, E. V. Tsiper, T. Meier, and S. Mukamel, "Semiclassical effective Hamiltonian for coupled electronic and nuclear optical response", CMT22 Workshop Proc., Vol. 14, Condensed Matter Theories, Vanderbilt University, D. Ernst, Editor (2001).

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J. Ern, A. T. Bens, H.-D. Martin, S. Mukamel, S. Tretiak, K. Tsyganenko, K. Kuldova, H. P. Trommsdorff, C. Kryschi, "Reaction dynamics of a photochromic fluorescing dithienylethene," J. Phys. Chem. A, 105, 1741 (2001).

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S. Tretiak, R. L. Martin, A. Saxena, and A. R. Bishop, "CEO/semiempirical calculations of static nonlinear polarizabilities in conjugated molecules," J. Chem. Phys., 115, 699 (2001).

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S. Tretiak, "Random phase approximation/semiempirical computations of electronic structure of extended organic molecules" Chapter in Recent Research Developments in Physical Chemistry, 5th issue, p. 721 Kerala, India, (2001). [REVIEW]

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2000

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M. Schulz, S. Tretiak, V. Chernyak, and S. Mukamel, "Size scaling of third-order off-resonant polarizabilities; Electronic coherence in organic oligomers", J. Am. Chem. Soc., 112, 452 (2000).

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S. Wang, G. C. Bazan, S. Tretiak, and S. Mukamel, "Oligophenylenevinylene Phane dimers: Probing the effect of contact site on the optical properties of bichromophoric pairs", J. Am. Chem. Soc., 122, 1289 (2000).

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A. Piryatinski, S. Tretiak, V. Chernyak, and S. Mukamel, "Simulations of two- dimensional femtosecond infrared photon-echoes of glycine dipeptide", J. Raman Spect., 31, 125 (2000).

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V. Chernyak, S. Tretiak, and S. Mukamel, "Electronic versus vibrational optical nonlinearities of push-pull polymers", Chem. Phys. Lett., 319, 261 (2000).

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J. Ern, A. T. Bens, H.-D. Martin, S. Mukamel, D. Schmid, S. Tretiak, E. V. Tsiper, and C. Kryschi, "Femtosecond reaction dynamics of a photochromic dithienylethene derivative", J. Lum., 87-9, 742 (2000).

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T. Minami, S. Tretiak, V. Chernyak, and S. Mukamel, "Frenkel-exciton Hamiltonian for dendrimeric nanostar", J. Lum., 87-9, 115 (2000).

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S. Tretiak, C. Middleton, V. Chernyak, and S. Mukamel, "Exciton Hamiltonian for the Bacteriochlorophyll System in the LH2 Antenna Complex of Purple Bacteria", J. Phys. Chem. B, 104, 4519 (2000).

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S. Tretiak, "Effective Computing at CNLS", Published on Web: http://cnls.lanl.gov/Internal/Computing/Software/cnls_computation_ug.pdf, (2000).

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V. Chernyak, S. Tretiak, M. Schulz, E. V. Tsiper, and S. Mukamel, "Krylov-space algorithms for time-dependent Hartree-Fock and density functional computations", J. Chem. Phys., 113, 36 (2000).

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S. Tretiak, C. Middleton, V. Chernyak, and S. Mukamel, “Localized and Delocalized Electronic Excitations in Biological and Artificial Antenna Complexes", Photoinduced Charge Transfer, L. Rothberg, Editor (World Scientific, 2000).

PDF file [630K]

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S. Tretiak, A. Saxena, R. L. Martin, and A. R. Bishop, "Interchain Electronic Excitations in Poly(phenylenevinylene) (PPV) Aggregates", J. Phys. Chem. B, 104, 7029 (2000).

PDF file [560K]

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S. Tretiak, C. Middleton, V. Chernyak, and S. Mukamel, "Bacteriochlorophyll and Carotenoid Excitonic Couplings in the LH2 System of Purple Bacteria", J. Phys. Chem. B, 104, 9540 (2000).

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S. Tretiak, A. Saxena, R. L. Martin, and A. R. Bishop, "CEO/semiempirical calculations of uv-visible spectra in conjugated molecules", Chem. Phys. Lett, 331, 561 (2000).

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1999

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S. Tretiak "Collective Electronic Excitations in Spectroscopy of Conjugated and Aggregated Molecules", Ph.D. Thesis, University of Rochester (1999).

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E. V. Tsiper, V. Chernyak, S. Tretiak, and S. Mukamel, "Ground-state density-matrix algorithm for excited-state adiabatic surfaces: application to polyenes", Chem. Phys. Lett., 302, 77 (1999).

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E. Y. Poliakov, V. Chernyak, S. Tretiak, and S. Mukamel, "Exciton-scaling and optical excitations of self-similar Phenylacetylene Dendrimers", J. Chem. Phys., 110, 8161 (1999).

PDF file [350K]

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E. V. Tsiper, V. Chernyak, S. Tretiak, and S. Mukamel, "Density-matrix-spectroscopic-algorithm for excited state adiabatic surfaces and molecular dynamics of a protonated Schiff base", J. Chem. Phys., 110, 8328 (1999).

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S. Tretiak, V. Chernyak, and S. Mukamel, "Electronic screening in second order optical polarizabilities of elongated donor/acceptor polyenes", Chem. Phys., 245, 145 (1999).

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J. Ern, A. T. Bens, H.-D. Martin, S. Mukamel, D. Schmid, S. Tretiak, E. Tsiper and C. Kryschi, "Reaction dynamics of photochromic dithienylethene derivates", Chem. Phys., 246, 115 (1999).

PDF file [480K]

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V. Chernyak, E. Y. Poliakov, S. Tretiak, and S. Mukamel, "Localized optical excitations and two-exciton spectroscopy of phenylacetylene Dendrimers", in Dynamics in Small Confining Systems IV, Mat. Res. Soc. Proc., J. M. Drake, G. S. Grest, J. Klafter, and R. Kopleman Eds., vol. 543, 327 (1999).

PDF file [426K]

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V. Chernyak, E. Y. Poliakov, S. Tretiak, and S. Mukamel, "Two-exciton states and spectroscopy of phenylacetylene dendrimers", J. Chem. Phys., 111, 4158 (1999).

PDF file [520K]

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S. Tretiak, W. M. Zhang, V. Chernyak, and S. Mukamel, "Excitonic couplings and electronic coherence in bridged naphthalene dimers", Proc. Nat. Acad. Sci. USA, 96, 13003 (1999).

PDF file [545K]

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1998

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S. Tretiak, V. Chernyak, and S. Mukamel, "Origin, Scaling, and Saturation of Second Order Polarizabilities in Donor/Acceptor Polyenes", Chem. Phys. Lett., 287, 75 (1998).

PDF file [500K]

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S. Tretiak, V. Chernyak, and S. Mukamel, "Localized Electronic Excitations in Phenylacetylene Dendrimers", J. Phys. Chem. B, (journal cover page) 102, 3310 (1998). [FEATURE ARTICLE]

PDF file [430K]

Related journal cover page: PDF file [210K]

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G. C. Bazan, W. J. Oldham, Jr., R. J. Lachicotte, S. Tretiak, V. Chernyak, and S. Mukamel, "Stilbenoid Dimers: Dissection of a Paracyclophane Chromophore", J. Am. Chem. Soc., 120, 9188 (1998).

PDF file [830K]

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S. Tretiak, V. Chernyak, and S. Mukamel, "Excited electronic states of carotenoids: Time-dependent density-matrix-response algorithm", Int. J. Quant. Chem., 70, 711 (1998).

PDF file [630K]

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S. Tretiak, V. Chernyak, and S. Mukamel, "Real-space analysis of electronic excitations in free-base (H2P) and magnesium (MgP) porphins", Chem. Phys. Lett., 297, 357 (1998).

PDF file [350K]

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1997

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T. Meier, S. Tretiak, V. Chernyak, and S. Mukamel, "Electronic-Oscillator Analysis of Femtosecond Four-Wave Mixing in Conjugated Polyenes", Phys. Rev. B, 55, 4960 (1997).

PDF file [365K]

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S. Mukamel, S. Tretiak, Th. Wagersreiter, and V. Chernyak, "Electronic-Coherence and Collective Optical Excitations of Conjugated Molecules", Science, 277, 781 (1997).

PDF file [690K]

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S. Tretiak, V. Chernyak, and S. Mukamel, "Two-Dimensional Real-Space Analysis of Optical Excitations in Acceptor-Substituted Carotenoids", J. Am. Chem. Soc., 119, 11408 (1997).

PDF file [660K]

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1996

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S. Tretiak, V. Chernyak, and S. Mukamel, "Collective Electronic Oscillators for Nonlinear Optical Response of Conjugated Molecules", Chem. Phys. Lett., 259, 55 (1996).

PDF file [315K] 

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S. Tretiak, V. Chernyak, and S. Mukamel, "Recursive Density-Matrix-Spectral-Moment Algorithm for Molecular Nonlinear Polarizabilities", J. Chem. Phys., 105, 8914 (1996).

PDF file [325K]

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S. Tretiak, V. Chernyak, and S. Mukamel, "Chemical Bonding and Size-Scaling of Nonlinear Polarizabilities of Conjugated Polymers", Phys. Rev. Lett., 77, 4656 (1996).

PDF file [144K]

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