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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 15, Number 4
BKCSDE 15(4)
April 20, 1994 

Theory of Diffusion-Influenced Radical Recombination: Interplay between Geminate and Bulk Recombination
Sangyoub Lee*, Jae-Joon Lee, Kook Joe Shin
We have formulated a theory for describing the time-dependent rate of the photolytic radical recombination reaction occuring in a viscous medium. The recombination after flash photolysis consists of an initial geminate-pair recombination phase followed by a slower bulk recombination phase in which radicals from different parent molecules encounter via diffusion and combine. In most theories of photolytic radical recombination reactions, however, only the dynamics of a single geminate pair was considered and the intervention of surrounding radicals in the geminate pair dynamics was neglected. The present theory treats the interplay of the geminate-pair and the bulk recombinations within a unified framework. Numerical calculations show that prediction of the present theory differs significantly from that of conventional theories.
311 - 320
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