Highly Sensitive and Selective Chemosensor for Cu2+ Based on a Schiff Base

被引：11

作者：

Cao Ben-nan ^{[1
]}

Hu Qin ^{[1
]}

Huang Yan ^{[2
]}

Jia Chun-man ^{[1
]}

Zhang Qi ^{[1
,2
]}

机构：

[1] Hainan Univ, Hainan Prov Key Lab Fine Chem, Key Study Ctr, Minist Educ Trop Resources Utilizat, Haikou 570228, Peoples R China

[2] Jiangsu Univ, Dept Chem & Chem Engn, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2013年 / 29卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Chemosensor; Schiff base; Copper ion; Naked-eye detection; Quench; FLUORESCENT SENSORS; ELECTRON-TRANSFER; LIVING CELLS; RHODAMINE; COORDINATION; DERIVATIVES; COPPER(II); DESIGN; PROBE; ZN2+;

D O I：

10.1007/s40242-013-2449-4

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new chemosensor based on a Schiff base has been designed and synthesized. Its sensing behavior toward various metal ions was investigated by fluorescence and UV-Vis spectroscopic methods. The fluorescence of the sensor was quenched and the color rapidly changed from canary yellow to brown after the addition of Cu2+, while no changes occurred after the addition of other metal ions, which contributes to the detection of Cu2+ with naked eyes. The fluorescence quantum yield of the ligand was calculated to be 0.52. The corresponding detection limit of Cu2+ was 5.721x10(-7)mol/L, and the 1:1 binding mode of the sensor with Cu2+ was revealed by Job's plot.

引用

页码：419 / 423

页数：5

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