化学学报 ›› 1992, Vol. 50 ›› Issue (11): 1140-1144. 上一篇    

研究论文

双[对-N,N-二甲基氨基苄叉]酮类化合物光谱和光物理行为的研究

汪鹏飞;吴世康;杜文全   

  1. 中国科学院感光化学研究所
  • 发布日期:1992-11-15

A study on the spectra and photophysical behaviors of bis[p-N,N- dimethylaminobenzylidene]ketone compounds

WANG PENGFEI;WU SHIKANG;DU WENQUAN   

  • Published:1992-11-15

本工作研究了几种中心部分被束缚的双[对-N,N-二甲基氨基苄叉]酮类化合物的光物理行为.发现中心五元环的化合物比中心六元环的化合物有着高得多的荧光量子产率,在改变介质粘度、研究粘度对荧光量子产率的影响时发现中心六元环化合物最易受粘度变化的影响,对上述这些有趣的现象进行了扼要的分析和讨论.

关键词: 紫外分光光度法, 酮, 荧光分光光度法, 苄叉, 苄胺, 量子产率

The photophys. behaviors of QCH:CHC(O)CH:CHQ (Q = 4-Me2NC6H4), compound I and compound II, in which the central parts of mols. are restricted have been investigated. Compound with central 5 member rings possesses higher fluorescence quantum yield than that of central 6 member ring. As for the effect of medium viscosity on the fluorescence quantum yields of these compounds, it was discovered that compound with central 6 member ring is the most susceptible one to the change of medium viscosity. All of these interesting phenomenon have been discussed briefly.

Key words: ULTRAVIOLET SPECTROPHOTOMETRY, KETONE, FLUOROSPECTROPHOTOMETRY, BENZYLIDENE, BENZENEMETHANAMINIUM

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