取代基对吡唑衍生物发光行为的影响

doi:10.3866/PKU.WHXB19990809

Acta Phys. -Chim. Sin. ›› 1999, Vol. 15 ›› Issue (08): 709-714.doi: 10.3866/PKU.WHXB19990809

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The Effect of Substitution on the Emission Behavior of Pyrazoline Derivatives

Jiang Yong-Cai, Wu Shi-Kang

Institute of Photographic Chemistry,The Chinese Academy of Sciences,Beijing 100101

Received:1998-10-19 Revised:1999-01-22 Published:1999-08-15
Contact: Wu Shi-Kang

Abstract

Abstract:

A comparative study on the spectroscopy and photo-physical behavior of differential substituted pyrazoline has been carried out in this work. Results indicate that the change of the electronic donating and withdrawing ability of the substitution group attached at the 3-positopon on the pyrazoline ring effects strongly on the fluorescence quantum yield and the fluorescence quenching of these compounds. This is determined by the structural characterization of pyrazoline compounds. The Phenomenon described above is discussed in detail in this paper.

Key words: Pyrazoline, Fluorescence quantum yield, Fluorescence quenching, Charge transfer

Jiang Yong-Cai, Wu Shi-Kang. The Effect of Substitution on the Emission Behavior of Pyrazoline Derivatives[J].Acta Phys. -Chim. Sin., 1999, 15(08): 709-714.

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The Effect of Substitution on the Emission Behavior of Pyrazoline Derivatives

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