Intramolecular charge transfer dual fluorescence of p-dimethylaminobenzoates

被引：28

作者：

Zhang, CH

Chen, ZB ^{[1
]}

Jiang, YB

机构：

[1] Shanxi Univ, Dept Chem, Taiyuan 030006, Peoples R China

[2] Xiamen Univ, Dept Chem, Xiamen 361005, Peoples R China

[3] Xiamen Univ, MOE Key Lab Analyt Sci, Xiamen 361005, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2004年 / 60卷 / 12期

基金：

中国国家自然科学基金;

关键词：

p-N; N-dimethylaminobenzoate; dual fluorescence; organic solvent; CTAB micelle;

D O I：

10.1016/j.saa.2004.01.011

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A series of ester, p-N,N-dimethylaminobenzoates ((CH3)(2)NC6H4COOR, R = n-CnH2n+1, n = 1, 2,... 8), were synthesized and their fluorescence spectra were recorded. Intramolecular charge transfer (CT) dual fluorescence was found in common organic solvent or in water with cetyltrimethylammonium bromide (CTAB) micelle. The fluorescence intensity ratio of CT band to normal band (I-CT/I-LE) was decreased dramatically with the increasing of carbon number of R group when the carbon number of R group were 1-3, but the dependence was not obvious when the carbon number of R group were 4-8. Oppositely, the I-CT/I-LE was increased with increasing of carbon number of R group in water with CTAB micelle. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：2729 / 2732

页数：4

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