Fast Photoinduced Reactions in the Condensed Phase Are Nonexponential

Ron Simkovitch; Rinat Gepshtein; Dan Huppert

doi:10.1021/jp508856k

Fast Photoinduced Reactions in the Condensed Phase Are Nonexponential

Ron Simkovitch, Rinat Gepshtein, Dan Huppert^*

^*Corresponding author for this work

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Time-resolved measurements of photoinduced reactions reveal that many ultrafast reactions in the femto- to picosecond time scale are nonexponential. In this article we provide several examples of reactions that exhibit a nonexponential rate. We explain the wide range of the nonexponential reaction by the lack of time separation between _s, the characteristic fast equilibration time of the population in the reactant potential well, and the longer time _e, the characteristic time to cross the energy barrier between the reactant and the product.

Original language	English
Pages (from-to)	1797-1812
Number of pages	16
Journal	Journal of Physical Chemistry A
Volume	119
Issue number	10
DOIs	https://doi.org/10.1021/jp508856k
State	Published - 12 Mar 2015

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abstract = "Time-resolved measurements of photoinduced reactions reveal that many ultrafast reactions in the femto- to picosecond time scale are nonexponential. In this article we provide several examples of reactions that exhibit a nonexponential rate. We explain the wide range of the nonexponential reaction by the lack of time separation between s, the characteristic fast equilibration time of the population in the reactant potential well, and the longer time e, the characteristic time to cross the energy barrier between the reactant and the product.",

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N2 - Time-resolved measurements of photoinduced reactions reveal that many ultrafast reactions in the femto- to picosecond time scale are nonexponential. In this article we provide several examples of reactions that exhibit a nonexponential rate. We explain the wide range of the nonexponential reaction by the lack of time separation between s, the characteristic fast equilibration time of the population in the reactant potential well, and the longer time e, the characteristic time to cross the energy barrier between the reactant and the product.

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Fast Photoinduced Reactions in the Condensed Phase Are Nonexponential

Abstract

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