An indanone-based alkoxysilane dye with second order nonlinear optical properties

被引：42
作者：
Cui, Yuanjing [1 ]
Ren, Huasen [1 ]
Yu, Jiancan [1 ]
Wang, Zhiyu [1 ]
Qian, Guodong [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源：
DYES AND PIGMENTS | 2009年 / 81卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Alkoxysilane dye; Chromophore; Nonlinear optical; Indanone; Thermal stability; Sol-gel; CHROMOPHORE; ORIENTATION;
D O I：
10.1016/j.dyepig.2008.09.002
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An azo-chromophore containing 2-methylidene-3-(dicyano-rnethylidene)-1-indanone as electronic acceptor group was synthesized via the Knoevenagel condensation between an aldehyde and indanedione derivative, followed by reaction with 3-isocyanatopropyltriethoxysilane. The structures of the chromophore and the synthesized alkoxysilane dye were confirmed by means of elemental analysis, NMR and FTIR analyses. Thermal analysis revealed that both had distinct melting points and thermal stability up to 240 degrees C. The chromophore and alkoxysilane dye are readily soluble in common solvents such as DMF, THF and DMSO. Compared with the traditional dye C.I. Disperse Red 1, the indanone-based chromophore exhibited larger molecular hyperpolarizability owing to its stronger electron-withdrawing ability. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：53 / 57
页数：5
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