An imidazole-based fluorescent probe for cupric ion

被引：14

作者：

Xie, Shumei ^{[1
]}

Xia, Si ^{[1
]}

Xu, Ziqiang ^{[1
]}

Li, Wenlu ^{[1
]}

Wang, Erjing ^{[1
]}

Wang, Shimin ^{[1
]}

机构：

[1] Hubei Univ, Sch Mat Sci & Engn, Minist Educ, Hubei Key Lab Polymer Mat,Key Lab Green Preparat, Wuhan 430062, Peoples R China

来源：

SYNTHETIC METALS | 2021年 / 277卷

基金：

中国国家自然科学基金;

关键词：

Imidazole; Fluorescent probe; Cupric ion; Triphenylamine; SELECTIVE DETECTION; CHEMOSENSOR; COPPER(II); BIS(IMIDAZOLYL); COMPLEXATION; SENSORS; ACID; FE3+;

D O I：

10.1016/j.synthmet.2021.116784

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A simple imidazole derivative modified with triphenylamine and fluorobenzene groups (MZ-F) was synthesized through one-pot multi-component ring-formation condensation. In the presence of copper ions, the acetonitrile solution of MZ-F showed a new absorption peak at longer wavelength and at the same time the fluorescence of MZ-F solution was quenched substantially. Photoluminescence spectroscopic titration showed that MZ-F formed a 1:1 complex with Cu2+ and the detection limit reached 3.93 x 10-6 mol/L. Meanwhile, MZ-F demonstrates high selectivity for sensing copper ions.

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页数：7

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