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21.
By using tri-Bu Phosphate (TBP) as an energy acceptor, G value of lowest excited singlet state of cyclohexane has been determine under g irradiation It was found that in N2 atmosphere when the dose approaches zero G(S1) equals 1.3 ?0.2. Which is in harmony with the G value determine by fluorescence method. Rate constant of energy transfer from lowest excited singlet state of cyclohexane to TBP was found to be 0.6 ?1010 mol-1譻-1, which is in harmony with kses. The influence factor on the determination of yields of excited states and rate constant of energy transfer was discussed. The excited triplet state of cyclohexane has been studied, G value of excited triplet state of cyclohexane is 0.26 ?0.04 and t x 6 ns. 相似文献