Ferrocene based chemosensor for Cu2+-A dual channel signaling system

被引：30
|
作者：
Kaur, Paramjit [1 ]
Kaur, Mandeep [1 ,2 ]
Singh, Kamaljit [2 ]
机构：
[1] Guru Nanak Dev Univ, Dept Chem, Amritsar 143005, Punjab, India
[2] Guru Nanak Dev Univ, Dept Appl Chem Sci & Technol, Organ Synth Lab, Amritsar 143005, Punjab, India
来源：
TALANTA | 2011年 / 85卷 / 02期
关键词：
Ferrocene; Dual channel; Chemosensor; Absorption; Electrochemical; ION-SELECTIVE ELECTRODE; MOLECULAR RECOGNITION; RECEPTOR MOLECULES; CATIONS; COPPER; DERIVATIVES; ANIONS; BIOLOGY; METALS; DYES;
D O I：
10.1016/j.talanta.2011.05.026
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new ferrocene based molecule behaves as a dual channel signaling chemosensor for Cu2+ over other metal ions. The perturbations in the absorption pattern and electrochemical behavior of the chemosensor are presented. These have been proposed to be caused by the interaction of Cu2+ with the d-electrons and the electron rich pi-system of the ferrocenyl derivative. The sensing event is manifested by a high energy shift in the ligand centered pi-pi* absorption and appearance of a new redox wave at more positive potential, in addition to Fe(II)/Fe(III) couple wave (two wave electrochemical behavior). (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1050 / 1055
页数：6
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