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
收藏
页码：419 / 423
页数：5
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