• B. S. in physics, Moscow institute of Physics and Technology, 1992
• M. S. in physics, Institute of Spectroscopy, Russia, 1994
• M. S. in chemistry, University of Rochester, NY, 1996
• Ph.D. in chemistry, University of Rochester, NY, 1999
• Postdoctoral Research:
• University of Rochester, 1999-1999
• Los Alamos National Laboratory, 1999-2001
• Employment:
• Technical Staff Member, T-1, 2001-present
• Staff Scientist, Center for Integrated Nanotechnologies (CINT), 2005-present

Research Interests:

• Relation between optical and chemical properties of organic and semiconductor materials
• Time-Dependent Density Functional Theory
• Molecular dynamics of the excited states
• Charge and energy transfer in biological and artificial antenna complexes
• Ultrafast nonlinear spectroscopy; Nonlinear dynamics of complex classical and quantum systems

Selected Recent Publications:

1. 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 (2009).
2. 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).
3. 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 (2008).
4. S. Tretiak, Triplet absorption in carbon nanotubes: a TD-DFT study, Nano Letters (journal cover page), 7, 2201 (2007).
5. C. Wu, S. Malinin, S. Tretiak, and V. Chernyak, Exciton scattering and localization in branched dendrimeric structures, Nature Phys., 2, 631 (2006).