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Vol. 7, No. 8/August 1990/J. Opt. Soc. Am. B 1545 Long-time behavior of reversible geminate
 

Summary: Vol. 7, No. 8/August 1990/J. Opt. Soc. Am. B 1545
Long-time behavior of reversible geminate
recombinationreactions
D. Huppert and E. Pines
School of Chemistry, Sackler School of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel
Noam Agmon
Departmentof PhysicalChemistryand The Fritz HaberCenterfor MolecularDynamics, The Hebrew University,
Jerusalem91904,Israel
Received November 7, 1989; accepted February 16, 1990
The probability of the bound state in reversible, geminate dissociation-recombination reactions decays at long
times as t-3/2
rather than exponentially. Wepresent the recent theoretical derivation of this long-time behavior
and single-photon counting data that verify the theoretical prediction over3 orders of magnitude.
INTRODUCTION
Weconsider an elementary chemical reaction in solution,
AB = A + B (1)
where an isolated molecule AB dissociates to a geminate
pair A + B and recombines reversibly. If spatial inhomo-
geneities were immaterial, the course of the reaction
would be determined solely by the bulk concentrations of

  

Source: Agmon, Noam - Institute of Chemistry, Hebrew University of Jerusalem

 

Collections: Chemistry