A fluoride selective dipyrromethane-TCNQ colorimetric sensor based on charge-transfer

被引：24
|
作者：
Kaur, Paramjit [1 ]
Kaur, Sandeep [1 ,2 ]
Singh, Kamaljit [2 ]
机构：
[1] Guru Nanak Dev Univ, Dept Chem, Amritsar 143005, Punjab, India
[2] Guru Nanak Dev Univ, Organ Synth Lab, Dept Appl Chem Sci & Technol, Amritsar 143005, Punjab, India
来源：
TALANTA | 2011年 / 84卷 / 03期
关键词：
Charge-transfer; TCNQ; Colorimetric; Fluoride; Reflectance; ANION RECOGNITION; CATIONIC BORANES; SODIUM-FLUORIDE; DRINKING-WATER; EFFICIENT; OSTEOPOROSIS; LITHIATION; RECEPTORS; COMPOUND;
D O I：
10.1016/j.talanta.2011.02.034
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A colorimetric sensor based on dipyrromethane(donor)-7,7',8,8'-tetracyanoquinodimethane (acceptor) charge-transfer compound depicts excellent selectivity for naked-eye as well as spectrophotometric determination of F- even in co-existence with other halide ions (Cl-, Br- and I-). The sensing mechanism is ascribed to the interrupted charge-transfer between donor-acceptor in the presence of F-. The sensing on solid support mimics the solution sensing process supported by the reflectance values. Thus this compound has potential for practical applications. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：947 / 951
页数：5
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