Effect of Donor and Acceptor on the Mechanism of a Photochemical Reaction in Doped Single Crystals for Radical Pairs in 4-Bromo-2,6-Di-tert-Butylphenol Single Crystal Doped with 2,6-Di-tert-Butyl-p-Quinone |
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| Authors: | Tipikin D. S. Lazarev G. G. Rieker A. |
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| Affiliation: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia;(2) Physics Department, Monash University, Melbourne, Victoria, 3168, Australia;(3) Institute of Organic Chemistry, Tübingen University, D-72076 Tübingen, Germany |
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| Abstract: | Radical pairs produced by the photolysis of 4-bromo-2,6-di-tert-butylphenol single crystals doped with 2,6-di-tert-butyl-p-quinone are studied by EPR spectroscopy. The mechanism of radical pair generation changes from hydrogen-atom transfer to electron transfer (without proton transfer). The reasons for this change are discussed. |
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