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Effects of glass-transition temperature on properties of photorefractive polymer composite

โœ Scribed by Shuizhu Wu; Fang Zeng; Fengxian Li; Yinlan Zhu; Heping Zhao

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
109 KB
Volume
37
Category
Article
ISSN
0887-6266

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โœฆ Synopsis

In this study, photorefractive polymer composites were developed in which polycarbonate was doped with a dual-function dopant and a photocharge generation sensitizer. The dual-function dopant has the function of providing both charge transport and optical nonlinearity. The composites' photoconductivity and electrooptic coefficient were investigated experimentally. The effects of the glass-transition temperature (T g ), dual-function dopant content, and electric field on the composites' photorefractive properties were studied as well. The results show that the composites' photorefractive properties are enhanced with decreasing T g , increasing dual-function dopant content, and increasing electric field.

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