A 3-phenoxypropane-1, 2-diol based bichromophore for enhanced nonlinear optical properties

被引:15
作者
Gao, Junkuo [1 ]
Cui, Yuanjing [1 ]
Yu, Jiancan [1 ]
Lin, Wenxin [1 ]
Wang, Zhiyu [1 ]
Qian, Guodong [1 ]
机构
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
Nonlinear optics; Bichromophore; Tether groups; Second harmonic generation; Esterification; Poled polymer; ORGANIC ELECTROOPTIC MATERIALS; ALKOXYSILANE DYE; HYBRID FILMS; CHROMOPHORES; POLYMERS; DESIGN; TRICHROMOPHORE; MODULATION; ULTRALARGE;
D O I
10.1016/j.dyepig.2010.03.027
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The structure of a novel bichromophore that comprised a readily hyperpolarisable chromophore with 3-phenoxypropane-1, 2-diol via esterification, was confirmed by elemental analysis, UV-visible absorption spectra and H-1 NMR. Nonlinear optical polymer films were fabricated by doping the bichromophore and the corresponding monochromophore into poly(4-vinylphenol). In situ second harmonic generation measurements revealed that the bichromophore imparted a 2.2-fold enhancement in the second harmonic generation coefficients of the films, indicating that the novel 3-phenoxypropane-1, 2-diol derivative could be used in the design and synthesis of multi-chromophoric dendrimers with large macroscopic optical nonlinearity. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:204 / 208
页数:5
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