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

被引：16

作者：

Li, Changjiang ^{[1
,2
,3
]}

Xiang, Kaiqiang ^{[2
,3
]}

Liu, Yunchang ^{[2
,3
]}

Zheng, Yuchuan ^{[1
]}

Pan, Le ^{[1
]}

Tian, Baozhu ^{[2
,3
]}

Zhang, Jinlong ^{[2
,3
]}

机构：

[1] Huangshan Univ, Dept Chem, Huangshan 245041, Peoples R China

[2] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China

[3] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2015年 / 41卷 / 08期

基金：

美国国家科学基金会;

关键词：

DCMS; Cu2+; Colorimetric; Fluorescent chemodosimeter; Redox reaction; ON FLUORESCENT; COPPER; CHEMOSENSOR; SENSOR; IONS; EMISSION; DOPANTS; FAMILY; CU(II); BONDS;

D O I：

10.1007/s11164-015-2034-1

中图分类号：

O6 [化学];

学科分类号：

0703 ;

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 mu M, 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.

引用

页码：5915 / 5927

页数：13

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