| Using time-resolved photo鈉oustic calorimetry to study triplet energy and lifetime for benzophenone-KI system |
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| 摘 要： |
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| 收稿时间： | 1999-07-12 |
Using time-resolved photoacoustic calorimetry to study triplet energy and lifetime for benzophenone-KI system |
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| Gang Li,Feifei Zhang,Hongfeng Yin,Huilan Chen,Shuyi Zhang. Using time-resolved photoacoustic calorimetry to study triplet energy and lifetime for benzophenone-KI system[J]. Chinese science bulletin, 2000, 45(4): 335-338. DOI: 10.1007/BF02909764 |
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| Authors: | Gang Li Feifei Zhang Hongfeng Yin Huilan Chen Shuyi Zhang |
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| Affiliation: | (1) State Key Laboratory and Institute of Coordination Chemistry, Nanjing University, 210093 Nanjing, China;(2) State Key Laboratory of Modem Acoustics and Institute of Acoustics, Nanjing University, 210093 Nanjing, China |
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| Abstract: | Time-resolved photoacoustic calorimetry has been expanded to allow the simultaneous determination of the dynamics and energetics of photoinduced reaction occurring on fast timescales, principally ns and μs. Data analysis requires deconvolution of photoacoustic signals for a sum of exponentials. This technique with PZT transducer is now first applied to investigating the quenching of the benzophenone triplet state by KI in methanol, and gives kinetic and thermodynamic results in excellent agreement with the previous value in acetonitrile. |
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| Keywords: | photoacoustic calorimetry deconvolution benzophenone |
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