A highly selective and ratiometric sensor for Hg2+ based on a phosphorescent iridium (III) complex

被引：14

作者：

Yan, Fang ^{[1
]}

Mei, Qunbo ^{[1
]}

Wang, Lianhui ^{[1
]}

Tong, Bihai ^{[2
]}

Xu, Zhijie ^{[1
]}

Weng, Jiena ^{[1
]}

Wang, Lingxia ^{[1
]}

Huang, Wei ^{[1
]}

机构：

[1] Nanjing Univ Posts & Telecommun, KLOEID, IAM, Nanjing 210046, Jiangsu, Peoples R China

[2] Anhui Univ Technol, Coll Met & Resources, Maanshan 243002, Anhui, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 22卷

基金：

中国国家自然科学基金;

关键词：

Iridium (III) complex; 2-thiophen-2-yl-benzothiazole; Hg2+; Phosphorescent chemosensor; HG2+-SELECTIVE CHEMODOSIMETER; CELLS;

D O I：

10.1016/j.inoche.2012.05.056

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new neutral iridium (Ill) complex Ir(TBT)(2)(acac) based on 2-thiophen-2-yl-benzothiazole (TBTH) ligands has been synthesized and characterized. Ir(TBT)2(acac) exhibited color change from red to orange without and with Hg2+, at the same time has a blue shift about 23 nm in fluorescent emission spectra. So it can serve as a highly selective chemodosimeter for Hg2+ with ratiometric and naked-eye detection. The sensor allowed determination of Hg2+ in the working range of 3 mu M-10 mu M with a detection limit of 2.14 mu M. The phosphorescent chemosensor exhibited excellent selectivity and sensitivity for Hg2+ detection. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：178 / 181

页数：4

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