A benzothiazole-based semisquarylium dye suitable for highly selective Hg2+ sensing in aqueous media

被引：27
|
作者：
Bae, Jin-Seok [1 ]
Gwon, Seon-Yeong [1 ]
Son, Young-A. [2 ]
Kim, Sung-Hoon [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Text Syst Engn, Taegu 702701, South Korea
[2] Chungnam Natl Univ, Sch Chem & Biol Engn, Taejon 305764, South Korea
来源：
DYES AND PIGMENTS | 2009年 / 83卷 / 03期
关键词：
Benzothiazole; Semisquaraine; Hg2+ ion; Chemosensor; Fluorescence; SQUARYLIUM DYES; METAL-IONS; FLUORESCENT CHEMOSENSORS; MERCURY ION; HG(II); MOLECULES; SENSORS;
D O I：
10.1016/j.dyepig.2009.05.010
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel semisquarylium dye was synthesized by the reaction between 3,4-dibutoxy-3-cyclobutene-1,2-dione and a benzothiazolium salt and its metal ion sensing properties were investigated using absorption and emission spectroscopy. These misquarylium exhibited high selectivity for Hg2+ ions, as compared with Ca2+, Pb2+, Al3+, Ce2+, Ba2+, Ni2+, Cd2+, Zn2+ and Mg2+ ions in DMSO/H2O (9:1, v/v), which was attributed to the formation of a 2:1 BSQ:Hg2+ coordination complex. the formation of which was supported by the calculated geometry of the complex. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：324 / 327
页数：4
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