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Citation: Jiang Yong-Cai, Wu Shi-Kang. The Effect of Substitution on the Emission Behavior of Pyrazoline Derivatives[J]. Acta Physico-Chimica Sinica, ;1999, 15(08): 709-714. doi: 10.3866/PKU.WHXB19990809 shu

The Effect of Substitution on the Emission Behavior of Pyrazoline Derivatives

1.
Institute of Photographic Chemistry,The Chinese Academy of Sciences,Beijing 100101

Received Date: 19 October 1998
Available Online: 15 August 1999

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.
- Pyrazoline,
- Fluorescence quantum yield,
- Fluorescence quenching,
- Charge transfer
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