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紫外光照下偶氮香蕉型液晶的光吸收特性研究

, PP. 520-523

Keywords: 液晶,偶氮化合物,光照,光致离解

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Abstract:

借助紫外可见光谱仪观测和电子结构计算,研究了紫外光照对偶氮香蕉型液晶电子结构和光吸收特性的影响。吸收光谱显示这种液晶的两个光学吸收峰分别位于360nm和275nm。电子结构计算表明这两个光学吸收主要来自于液晶中含偶氮官能团的电子跃迁。结果表明365nm光子可将液晶中的氮氮双键打断,从而导致其在360nm处的吸收迅速降低,同时使275nm处的吸收相应增加。

References

[1]  Chen L L, Zhang D, Photochemical properties of bent-core Liquid Crystal Containing Azobenzene, Chinese Journal of Quantum Electronics(量子电子学报),2011,28(5): 622-628.
[2]  .Huang Y M, Chen L L, Zhou F F , et al . New Trends in Fluid Mechanics Research[ M ].Beijing :Tsinghua University Press & Springer, 2007,61-65 .
[3]  Chen L L, Tang Z K. Electronic Structure and Electron Transition of Banana-Shaped Liquid Crystals[ J ] . Chinese Journal of Liquid Crystals and Displays(液晶与显示), 2009,24(4), 478-481 (in chinese).
[4]  Prasad V,Kang S W, Kumar S, Novel examples of achiral bent-core azo compounds exhibiting B1 and anticlinic-antiferroelectric B2 mesophases[ J ] .J. Mater. Chem. 2003,13:1259-1264.
[5]  Wang P,Ming H, Liang Z, et al. Photoinduced Birefringence and Optical Storage in Azobenzene Side-chain Polymer Liquid Crystal Film, Chinese Journal of Quantum Electronics(量子电子学报),2002,19(4): 358-362(in chinese).
[6]  Budyka M F ,Kantor M M .Thermolysis of azobenzene[ J ] .Russian Chemical Bulletin,1993,42 (9):1495-1497.

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