Fast Photoinduced Reactions in the Condensed Phase Are Nonexponential

Ron Simkovitch, Rinat Gepshtein, Dan Huppert*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


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 languageEnglish
Pages (from-to)1797-1812
Number of pages16
JournalJournal of Physical Chemistry A
Issue number10
StatePublished - 12 Mar 2015


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