【摘要】 本文测定了双荧光团化合物2-(ω-联苯基多亚甲基)-5-联苯基-1,3,4-噁二唑及其模型化合物2-甲基-5-联苯基-1,3,4-噁二唑和2,5-二联苯基-1,3,4-噁二唑的荧光光谱.对分子内、分子间激基缔合物和激基复合物的形成进行了研究,并对分子构型与形成分子内激基复合物之间关系作了初步探讨.从实验结果得到,亚甲基桥链的碳数为奇数时容易形成分子内激基复合物.更多还原

【Abstract】 The fluoresoence spectra of bichromophore compounds 2-(ω-biphenylylpolymethylene)-5-biphenylyl-1, 3, 4-oxadiazole (1-4) and the model compounds 2-methyl-5-biphenyl-1, 3, 4-oxadiazole (5) and 2, 5-dibiphenylyl-1, 3, 4-oxadiazole (6) have been determined. The formation of intra-and intermolecular excimer and exciplex have been studied. The relationship betwee the molecular configuration and the formation of intra exciplex have been discussed. From the experimental results, it can be seen, when the number of the carbon atoms of methylene bridge is odd, intra exciplex is readily formed.更多还原