Fabrication of photo-cross-linked stable organic-inorganic hybrid second-order nonlinear optical films

被引:4
|
作者
Wang, Shiwei [1 ]
Zhao, Lisha [1 ]
Yang, Song [1 ]
Pang, Shujie [1 ]
Cui, Zhanchen [1 ]
机构
[1] Jilin Univ, Coll Chem, Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
基金
中国国家自然科学基金;
关键词
Photo-cross-linked; Organic-inorganic hybrid; Second-order nonlinear optical; Optical materials and properties; Sol-gel preparation; SOL-GEL MATERIALS; CHROMOPHORES;
D O I
10.1016/j.matlet.2008.10.017
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A photo-cross-linked stable organic-inorganic hybrid second-order nonlinear optical (NLO) film was fabricated by sol-gel process with silicon sol linking aromatic diazonium group (SOD) and Chromophore molecule 2-((4-[4-(2-carboxy-2-cyano-vinyl)-phenylazo]-phenyl)-methyl-amino)-ethyl acid (DRCB). The films were poled under 50DC voltage electric field at room temperature at the existence of solvents. After the solvents volatilized completely and upon UV irradiation under the electric field, the ionic bonds converted to stable covalent bonds in the system, the orientations of the chromophores were fixed by the photo-cross-linked structures. The order parameter of the fabricated film can retain 99% after 17days at room temperature. The stable organic-inorganic hybrid photo-cross-linked NLO films fabricated in this paper had large potential to be applied in electric-optic devices. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:292 / 294
页数:3
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