A switching fluorescent photochromic carbazole-spironaphthoxazine copolymer

被引：26
|
作者：
Wang, Sheng
Yu, Chunyang
Choi, Myung-Shik
Kim, Sung-Hoon [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Text Syst Engn, Taegu 705701, South Korea
[2] Zhanjiang Normal Univ, Sch Chem Sci & Technol, Dept Chem, Zhajiang 524048, Peoples R China
来源：
DYES AND PIGMENTS | 2008年 / 77卷 / 01期
关键词：
fluorescence; photochromic; spironaphthoxazine; carbazole; copolymer;
D O I：
10.1016/j.dyepig.2007.03.005
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A switching, methacrylate fluorescent photochromic copolymer (PMMA-Cz-SPO) containing fluorescent, chromophoric carbazole (Cz) and spironaphthoxazine (SPO) moieties as pendant groups, has been synthesized. The compound displayed excellent photoregulation of luminescence change from the spirooxazine to the carbazole in both solution and solid film, imparted by alternate irradiation with UV and visible light. This may be attributed to the induced electron transfer between the carbazole donor and the spirooxazine acceptor. In addition, the fluorescence emission spectra showed remarkable concentration-dependence. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：245 / 248
页数：4
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