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

页码：273 / 277

页数：5

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