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合成了2-(2-吡啶基)咪唑,并通过稳态荧光光谱研究了它在溶液中的光物理行为及溶液酸碱度的影响.发现2-(2-吡啶基)咪唑化合物存在分子内光诱导电子转移反应(PET),并且这一过程强烈地依赖于溶液的pH值,但是氮原子的质子化会影响PET过程.
The 2- (2-pyridyl) imidazole was synthesized and its photophysical behavior in solution and the pH value of the solution were studied by steady-state fluorescence spectroscopy. It was found that intramolecular light induction of 2- (2-pyridyl) Electron transfer reaction (PET), and this process strongly depends on the pH of the solution, but the protonation of nitrogen atoms can affect the PET process.