Synthesis and properties of an alkoxysilane dye containing three electronic donor groups for nonlinear optical applications

被引：3

作者：

Cui, YJ ^{[1
]}

Chen, LJ ^{[1
]}

Qian, GD ^{[1
]}

Wang, MQ ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Solicon Mat, Hangzhou 310027, Peoples R China

来源：

DYES AND PIGMENTS | 2006年 / 70卷 / 03期

基金：

中国国家自然科学基金;

关键词：

alkoxysilane dye; synthesis; nonlinear optics; solvatochromic method; second harmonic generation; inorganic-organic hybrid;

D O I：

10.1016/j.dyepig.2005.01.015

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

in order to obtain an efficient hybrid inorganic-organic nonlinear optical (NLO) materials, an azo-dye containing three electronic donor groups 2,5-dimethyl-4-(4'-nitrophenylazo)phenol (DMNPAP) was synthesized and reacted with 3-isocyanato-propyl triethoxysilane (ICTES) to give an alkoxysilane dye (ICTES-DMNPAP). Molecular structural characterizations for DMNPAP and ICTES-DMNPAP were investigated by elemental analysis, H-1 NMR, FTIR, UV-visible spectra and differential scanning calorimetry (DSC). The alkoxysilane dye could be hydrolyzed and polymerized in the presence of water, and then transparent hybrid films could be fabricated by spin coating on the indium-tin-oxide (ITO) glass substrates. Compared with the dye 4-nitro-4'-hydroxy-azobenzene (NHA) containing only one hydroxyl as donor group, DMNPAP exhibited larger beta(CT)mu(g) value measured by solvatochromic method, and second harmonic generation (SHG) measurement of the hybrid films was in agreement with the result. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：232 / 237

页数：6

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