Time-resolved fluorescence spectra were measured for pyrene and for the pyrene-N,N-dimethylaniline system in the range from 3 nsec to 150 nsec after the excitation by a nitrogen gas laser. By the aid of the spectra, we could follow the formation and decay processes of the pyrene excimer or the pyrene-N,N-dimethlaniline exciplex. The rate constants were determined for the exciplex formation and decay processes.
Zujin Zhao, Shuming Chen, Jacky W. Y. Lam, Zhiming Wang, Ping Lü, Faisal Mahtab, Herman H. Y. Sung, Ian D. Williams, Yuguang Ma, Hoi Sing Kwok, Ben Zhong Tang
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