新型双吡喃盐的合成和光学性能研究
首发时间:2011-11-28
摘要:通过α-CH3吡喃盐和二芳醛反应设计合成一系列具有独特结构的双吡喃盐化合物,并且首次对它们的光物理性质进行了研究。研究表明,由于共轭骨架结构的不同这几种双吡喃盐在CH2Cl2中的荧光可以实现从绿到红的调节,并且DFT计算结果也与实验结果非常的吻合;此外,也对它们的固态发光进行了初步的研究。
关键词: 双吡喃盐 α-CH3吡喃盐 共轭骨架 光学性能 DFT计算
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Synthesis, Optical Properties and DFT Studies of New Bispyrylium Compounds
Abstract:A series of bispyryliums with unique structural characteristic was prepared by the reaction of α-CH3 pyrylium with aromatic dicarboxaldehyde, and their photophysical properties were investigated for the first time. It was found that they exhibited a tunable fluorescence emission from green to red in CH2Cl2 by changing the configuration of π- conjugate backbone. The effects of the structure and the length of linker between two pyrylium rings on their photophysical properties were explored and well predicted by DFT calculations. In addition, their fluorescence emission in solid-state was also investigated preliminary.
Keywords: Bispyrylium α-CH3 pyrylium π-conjugated compound photophysical properties DFT calculations
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