Photophysical processes of a copolymer containing 1,1′-binaphthyl-2,2′-diamino and carbazolyl units

被引：4
|
作者：
Chen, ZB [1 ]
Zhang, CH
Bai, FL
机构：
[1] Shanxi Univ, Dept Chem, Taiyuan 030006, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2002年 / 58卷 / 13期
基金：
中国国家自然科学基金;
关键词：
copolymer; 2,2 '-dimethacrylamido-1,1 '-binaphthyl; vinylcarbazole; excirner; triple exciplex;
D O I：
10.1016/S1386-1425(02)00080-X
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The photophysical processes of copolymer formed by copolymerization of 2,2'-dimethacrylamido-1,1'-binaphthyl (DMBN) with vinylcarbazole (VCZ) have been carefully studied. The results show that when the solution of copolymer (DMBN-VCZ) in THF located in low concentration range ( < 10(-3) mg/ml), the fluorescence emission is in good agreement with that of DMBN monomer and the excimer is formed with gradual increase in concentration of copolymer (DMBN-VCZ): The fluorescence of copolymer (DMBN-VCZ) can be quenched both by electron donors and acceptors where the quenching effects follow the Stern-Volmer equation. The dimolecular exciplex between copolymer (DMBN-VCZ) and N,N-dimethylaniline (DMA) are formed and the triple exciplexes are also observed in the same system. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：2885 / 2888
页数：4
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