Cinnamaldehyde-Based Chemosensor for Colorimetric Detection of Cu2+ and Hg2+ in a Near-Perfect Aqueous Solution

被引：14
|
作者：
Cho, Hanna [1 ]
Chae, Ju Byeong [1 ]
Kim, Cheal [1 ]
机构：
[1] SNUT Seoul Natl Univ Sci & Tech, Dept Fine Chem, Seoul 01187, South Korea
来源：
CHEMISTRYSELECT | 2019年 / 4卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
chemosensor; cinnamaldehyde; copper ions; DFT calculations; mercury ions; SELECTIVE DETECTION; FLUORESCENT-PROBE; ULTRASENSITIVE DETECTION; DIFFERENTIAL DETECTION; SEQUENTIAL DETECTION; CHANNEL DETECTION; SENSOR; MERCURY; RECOGNITION; BODIPY;
D O I：
10.1002/slct.201900199
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A cinnamaldehyde-based colorimetric chemosensor TAA (N'-((1E,2Z)-3-(4-(dimethylamino)phenyhallylidene)thiophene-2-carbohydrazicie) was newly developed. TAA can detect Cu2+ and Hg2+ ions by different color changes from pale yellow to deep yellow and orange, respectively, in aqueous media. TAA differently binds to Cu2+ as a 1:1 ratio and Hg2+ as a 2:1 ratio. The detection limits towards both analytes turned out to be 0.08 mu M for Cu2+ and 0.01 mu M for Hg2+. Moreover, TAA could successfully quantify Cu2+ and Hg(2+ )in tap and drinking water. The detection processes of TAA towards Cu2+ and Hg2+ were demonstrated by using DFT calculations.
引用
收藏
页码：2795 / 2801
页数：7
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