A new pyrenyl-appended triazole for fluorescent recognition of Hg2+ ion in aqueous solution

被引：33

作者：

Cao, Qian-Yong ^{[1
]}

Han, Yuan-Ming ^{[1
]}

Wang, Hong-Ming ^{[1
]}

Xie, Yu ^{[2
]}

机构：

[1] Nanchang Univ, Dept Chem, Nanchang 330031, Peoples R China

[2] Nanchang Hangkong Univ, Coll Environm & Chem Engn, Nanchang 330063, Peoples R China

来源：

DYES AND PIGMENTS | 2013年 / 99卷 / 03期

关键词：

Fluorescence; Chemosensor; Pyrene; Triazole; Sulfonamide; Mercury; MERCURY; EXPOSURE; RECEPTOR; SENSOR; CHAIN;

D O I：

10.1016/j.dyepig.2013.07.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A new pyrenyl-appended triazole for fluorescent sensing of Hg2+, I, has been synthesized and characterized. Upon addition of Hg2+ to 1 in the acetonitrile aqueous solution, more than 80% of the initial fluorescence intensity of 1 was quenched, which allowed a selective and sensitive fluorescent detection of Hg(II) without any interference from other metal ions. H-1 NMR analysis revealed that the two sulfonamide and triazole groups of 1 played a critical role in the interactions with Hg2+ ion, which can be further proved by the density functional theory based theoretical calculation. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：798 / 802

页数：5

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