| PHOTOPHYSICAL STUDIES ON ORGANIC COMPOUNDS——TIME-RESOLVED TRANSIENT ABSORPTION SPECTRA STUDIES ON TRIPHENYLAMINE IN VARIOUS SOLVENTS |
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| 引用本文： | 陈凤启,虞群,郭燕,樊美公.PHOTOPHYSICAL STUDIES ON ORGANIC COMPOUNDS——TIME-RESOLVED TRANSIENT ABSORPTION SPECTRA STUDIES ON TRIPHENYLAMINE IN VARIOUS SOLVENTS[J].中国科学B辑(英文版),1991(2). |
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| 作者姓名： | 陈凤启 虞群 郭燕 樊美公 |
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| 作者单位： | Institute of Photographic Chemistry，Academia Sinica，Institute of Photographic Chemistry，Academia Sinica，Institute of Photographic Chemistry，Academia Sinica，Institute of Photographic Chemistry，Academia Sinica Beijing 100101，PRC，Beijing 100101，PRC，Beijing 100101，PRC，Beijing 100101，PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China and the Applied Organic Chemistry Laboratory, Lanzhou University. |
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| 摘 要： | The transient absorption spectra of triphenylamine (TPA) in various solvents have beeninvestigated by the methods of nanosecond laser photolysis. The lifetimes of TPA were meas-ured. In hexane and ethanol, the transient absorptions of triplet state and triplet excimer ofTPA were observed. However, the transient absorptions of the TPA cation radical was alsoobserved in acetonitrile besides that of the triplet TPA monomer and excimer. According tothe experimental facts, the transient photophysical mechanism of TPA in various solvents hasbeen proposed.
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