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Miller SA, West BA, Curtis AC, et al. Communication: uncovering molecule-TiO2 interactions with nonlinear spectroscopy. J Chem Phys. 2011;135(8):081101doi: 10.1063/1.3631339.
Miller, S. A., West, B. A., Curtis, A. C., Papanikolas, J. M., & Moran, A. M. (2011). Communication: uncovering molecule-TiO2 interactions with nonlinear spectroscopy. The Journal of chemical physics, 135(8), 081101. https://doi.org/10.1063/1.3631339
Miller, Stephen A, et al. "Communication: uncovering molecule-TiO2 interactions with nonlinear spectroscopy." The Journal of chemical physics vol. 135,8 (2011): 081101. doi: https://doi.org/10.1063/1.3631339
Miller SA, West BA, Curtis AC, Papanikolas JM, Moran AM. Communication: uncovering molecule-TiO2 interactions with nonlinear spectroscopy. J Chem Phys. 2011 Aug 28;135(8):081101. doi: 10.1063/1.3631339. PMID: 21895147.
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J Chem Phys. 2011 Aug 28;135(8):081101. doi: 10.1063/1.3631339.

Communication: uncovering molecule-TiO2 interactions with nonlinear spectroscopy.

The Journal of chemical physics

Stephen A Miller, Brantley A West, Anna C Curtis, John M Papanikolas, Andrew M Moran

Affiliations

  1. Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA.

PMID: 21895147 DOI: 10.1063/1.3631339

Abstract

Femtosecond transient grating experiments are used to investigate electronic structures and transport mechanisms in dye-sensitized nanocrystalline TiO(2) films. This study examines two molecular sensitizers spanning the weak (a phosphonated Ruthenium complex) and strong (catechol) molecule-TiO(2) coupling regimes. It is shown that strong molecule-TiO(2) interactions give rise to photoinduced vibrational coherences at the interface between species. We suggest that the amplitudes of these coherences reflect the molecule-TiO(2) coupling strength and signify the delocalization of excited state wavefunctions.

© 2011 American Institute of Physics

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