Self-assembly of 1,3-alternate calix[4]arene carboxyl acids-modified silver nanoparticles for colorimetric Cu2+ sensing

被引：18
|
作者：
Nsengiyuma, Gilbert [1 ]
Hu, Ren [1 ]
Li, Jing [1 ]
Li, Haibing [1 ]
Tian, Demei [1 ]
机构：
[1] Cent China Normal Univ, Coll Chem, Key Lab Pesticide & Chem Biol CCNU, Minist Educ, Wuhan 430079, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2016年 / 236卷
基金：
中国国家自然科学基金;
关键词：
1,3-alternate calix[4]arene; Silver nanoparticles; Colorimetric sensor; Self-assembly; SENSOR;
D O I：
10.1016/j.snb.2016.05.148
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this study, a novel colorimetric sensor based on 1,3-alternate calix[4]arene-modified silver nanoparticles (Ag NPs) was synthesized. The functionalized Ag NPs were characterized by Transmission Electron Microscopy (TEM) and Infrared Spectroscopy (IR). It was observed that the Ag NPs synthesized had a high selectivity for Cu2+ ions with the detection limit of 2.5 x 10(-6)M. Based on the findings in this research, the 1,3-alternate calix[4]arene-modified Ag NPs was found to be useful for colorimetric detection of Cu2+ in solution. Moreover, the Ag NPs continued to grow and larger three-dimensional aggregates were formed with increasing concentration of Cu2+. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：675 / 681
页数：7
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