Solvent-controlled acceleration of electron transfer in binary mixtures

PugŽlys, Audrius ; den Hartog, Harald P. ; Baltuška, Andrius ; Pshenichnikov, Maxim S. ; Umapathy, Siva ; Wiersma, Douwe A. (2001) Solvent-controlled acceleration of electron transfer in binary mixtures The Journal of Physical Chemistry A, 105 (51). pp. 11407-11413. ISSN 1089-5639

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp0123738

Related URL: http://dx.doi.org/10.1021/jp0123738

Abstract

We report a 5-fold acceleration of the backward intermolecular electron transfer between a rhodamine 800 dye molecule and N,N-dimethylaniline (DMA). This effect results from the controlled variation of the solvent dynamical properties in binary mixtures of DMA and acetonitrile. The observed acceleration reflects the competition between solvent-controlled and nonadiabatic electron transfer in the limit of barrierless reaction. A linear dependence of the electron-transfer time on the longitudinal relaxation time, as predicted by the outer sphere electron-transfer model by Rips and Jortner.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:64969
Deposited On:15 Oct 2011 12:37
Last Modified:15 Oct 2011 12:37

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