Highly Sensitive and Selective Chemosensor for Cu2＋ Based on a Schiff Base
Highly Sensitive and Selective Chemosensor for Cu2＋ Based on a Schiff Base作者机构：Key Study Center of Ministry of Education for Tropical Resources Utilization Hainan Provincial Key Lab of Fine Chemicals Hainan University Haikou 570228 P. R. China Department of Chemistry and Chemical Engineering Jiangsu University Jiangsu 212013 P. R. China
出 版 物：《Chemical Research in Chinese Universities》 (高等学校化学研究（英文版）)
年 卷 期：2013年第29卷第3期
页 面：419-423页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070302[理学-分析化学] 070303[理学-有机化学] 0703[理学-化学]
基 金：Supported by the National Natural Science Foundation of China(Nos.21166008 21261008) the Natural Science Foundation of Hainan Province China(No.209001) the Youth Fund of Hainan University China(No.qnjj 1169) and the Technology Support Program of the Jiangsu Province China(No.SBE 201077304)
主 题：Chemosensor Schiffbase Copper ion Naked-eye detection Quench
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 5.721 × 10-7 mol/L, and the 1：1 binding mode of the sensor with Cu2＋ was revealed by Job＇s plot.
维普期刊数据库