Selective recognition of Cu (II) and Fe (III) using a pyrene based chemosensor

被引：23
作者：
Phapale, Daulat [1 ]
Gaikwad, Akshay [1 ]
Das, Dipanwita [1 ]
机构：
[1] Inst Chem Technol, Dept Chem, Bombay 400019, Maharashtra, India
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2017年 / 178卷
关键词：
Pyrene-dipicolylamine; Chemosensor; Cu; (II); Fe; (III); Colorimetric; Chromogenic receptor; COPPER IONS; FLUORESCENT CHEMOSENSOR; IRON-DEFICIENCY; SENSOR; COMPLEXES; RECEPTOR; ZN(II); PROBE; ZN2+;
D O I：
10.1016/j.saa.2017.01.064
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A pyrene-based colorimetric chemosensor 1-(pyren-1-yl)-N,N-bis-(pyridine-2-ylmethyl)methanamine (1) was synthesised for selective detection of Cu (II) and Fe (III) over the other metal cations Ni2+, Mg2+, Cd2, Hg2+, Na+, K+, Ca2+, Co2+, Cr3+, Pb2+ and Zn2+. The significant changes in UV-vis absorption band of receptor 1 and the emergence of 660 nm band in presence of Cu2+ ion indicates the selective binding of Cu2+ ion as compared to other metal cations which could easily be identified from the naked eye strong colour change. Job plots suggest a 1:1 and 2:1 stoichiometric binding of Cu2+ and Fe3+, respectively, which was evidenced by ESI-MS analysis. Chemosensor 1 explores a cost-effective and selective colorimetric sensor for naked eye detection of trace amount of Cu2+ and Fe3+ ions in presence of other metal cations. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：160 / 165
页数：6
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