A colorimetric and fluorescent chemodosimeter responding to Cu2+ with high selectivity and sensitivity

被引：0
|
作者：
Changjiang Li
Kaiqiang Xiang
Yunchang Liu
Yuchuan Zheng
Le Pan
Baozhu Tian
Jinlong Zhang
机构：
[1] Huangshan University,Department of Chemistry
[2] East China University of Science and Technology,Key Lab for Advanced Materials and Institute of Fine Chemicals
来源：
Research on Chemical Intermediates | 2015年 / 41卷
关键词：
DCMS; Cu; Colorimetric; Fluorescent chemodosimeter; Redox reaction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
4-(dicyanomethylene)-2-methyl-6-[p-(dimethylamino)-styryl]-4H-pyran (DCMS) as a colorimetric fluorescent chemodosimeter for Cu2+ was synthesized. DCMS can selectively recognize Cu2+ without disturbance by other metal ions in acetonitrile. Furthermore, the DCMS solution showed a distinguishable color change visible to the naked eye after addition of Cu2+. DCMS for Cu2+ sensing in acetonitrile had a remarkably low detection limit of 0.2 μM, which is 1 % of the toxicity level in drinking water defined by the US Environment Protection Agency (USEPA). Interestingly, the results suggest that the Cu2+ sensing mechanism may be involved in a redox reaction between Cu2+ and DCMS.
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收藏
页码：5915 / 5927
页数：12
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