Rational design of a colorimetric and ratiometric fluorescent chemosensor based on intramolecular charge transfer (ICT)

被引：53
|
作者：
Shao, Jie [1 ]
Lin, Hai [2 ]
Lin, Huakuan [1 ]
机构：
[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
[2] Nankai Univ, Minist Educ, Key Lab Funct Polymer Mat, Tianjin 300071, Peoples R China
来源：
TALANTA | 2008年 / 77卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Colorimetric; Ratiometric; Fluorescence; ICT; Anion sensor;
D O I：
10.1016/j.talanta.2008.06.035
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple colorimetric and ratiometric fluorescent anion sensor 1,3,6-dichloro-1,8-dinitrocarbazole, was rationally designed and synthesized on basis of the mechanism of intramolecular charge transfer (ICT). In DMSO solutions of 1, the presence of ACO(-), F- and H2PO4- gave birth to the formation of a 2:1 host-to-guest complex, which was synchronously accompanied by a 'naked-eye' color change from light yellow to purple, a red-shift of the absorption spectrum and a blue-shift of the emission spectrum. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：273 / 277
页数：5
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