| FLUORESCENCE SPECTRA OF EXCIPLEX BETWEEN α,ω-GLYCOL DIBENZOATES AND PROTON |
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| 作者姓名： | 陈尚贤 白凤莲 王竹庭 |
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| 作者单位： | Institute of Chemistry，Academia Sinica，Beijing，Institute of Chemistry，Academia Sinica，Beijing，Institute of Chemistry，Academia Sinica，Beijing |
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| 摘 要： | In this paper, the interaction between α, ω-glycol dibenzoates and trifluoroacetic acid has been studied. It has been demonstrated by absorption spectra that charge transfer complex does not form between them in the ground state. But in the excited state, exciplex was formed between excited a, ω-glycol dibenzoates and trifluoroacetic acid. By means of isotopic effect, changing of trifluoroacetic acid by phosphoric acid and adding buffer solution etc., it was proved that exciplex was formed between excited α, ω-glycol dibenzoates and proton. It is very interesting to observe that not only exciplex was formed but triple exciplex was formed also.
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