金属离子对硒多氮芳香杂环化合物发光的影响

The influence of metallic ion on the fluorescence emission of heterocyclic selenium compounds

研究了硒多氮芳香杂环化合物(Selenad iazole compounds,以下简称SDZs):1,2,5-硒二唑并[3,4-b]吡啶、1,2,5-硒二唑并[3,4-b]嘧啶-5,7-(5H,6H)酮、1,2,5-硒二唑并[3,4-b]嘧啶-7-(5H,6H)酮在乙醇溶液中的荧光性质,考察了不同电子结构的金属离子对其荧光的影响.结果表明SDZs化合物的荧光发射随着共轭效应的降低出现蓝移现象,Zn2+、Cu2+、Cr3+的加入对SDZs类化合物的荧光强度有较大的改变,并初步探讨金属离子对SDZs化合物荧光影响的机理.

The fluorescence properties of the ethanol solutions containing metallic ions and heterocyclic selenium compounds with different molecular structures were systematically investigated in this paper.The results indicated that the fluorescence emission of SDZs gradually blue shifted with the reduction of conjugation,and the fluorescence intensity were greatly changed with the adding of Zn^(2+),Cu^(2+),Cr^(3+).The mechanism of the fluorescence properties of the ethanol solutions containing metallic ions and het...