Synthesis and characterization of organic photorefractive glass

被引：8
|
作者：
Chun, H [1 ]
Kim, NJ [1 ]
Joo, WJ [1 ]
Han, JW [1 ]
Oh, CH [1 ]
Kim, N [1 ]
机构：
[1] Hanyang Univ, Dept Chem, Ctr Organ Photorefract Mat, Seoul 133791, South Korea
来源：
SYNTHETIC METALS | 2002年 / 129卷 / 03期
关键词：
photorefractive effect; bifunctional; carbazole; organic glass; chromophore;
D O I：
10.1016/S0379-6779(02)00083-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bifunctional molecule which possesses photoconductive and electrooptic properties in one molecule was synthesized as a new photorefractive material Carbazole as a photoconductive moiety was covalently bound to thiophene derivative as an electrooptic chromophore via a flexible alkyl chain The sample prepared from the mixture of bifunctional molecule (89 wt %) 2 4 7 trinitro 9 fluorenone (1 wt %) and ethylcarbazole (10 wt %) showed good photorefractive property The 50 mum thick film showed the maximum diffraction efficiency of 65% at 70 V/mum corresponding to a refractive index modulation (Deltan) of ca 4 5 x 10(-3) (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：281 / 283
页数：3
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