Electrochemical pesticide sensor based on anthraquinone substituted copper phthalocyanine
Abstract
In this study, a biomimetic selective pesticide electrochemical sensor based on copper phthalocyanine-anthraquinone hybrid (CuPc-AQ) was studied. Electrochemical activities based on Pc ring and anthraquinone substituent of the CuPc-AQ make it valuable material for electrochemical sensor studies in detecting of pesticides. Thin film of CuPc-AQ on ITO electrode (ITO/CuPc-AQ) was exposed to water samples containing eserine and carbofuran pesticides, separately. Then in order to observe the sensor behavior of the modified electrode, square wave voltammetry (SWV), electrochemical impedance spectroscopy (EIS), and double potential step chronocoulometry (DPSCC) techniques were used. When the ITO/CuPc-AQ electrode was doped with nano-platinum (nPt) or nano-gold (nAu) particles, the sensitivity of ITO/CuPc-AQ electrode increased. The lowest detection limit (DL) (1.23x10-9 mol dm-3) was obtained with ITO/CuPc-AQ-nAu electrode using electrochemical impedance spectroscopy technique.
Keywords
References
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Details
Primary Language
English
Subjects
Chemical Engineering
Journal Section
Research Article
Authors
Yeliz İpek
MUNZUR ÜNİVERSİTESİ
0000-0002-9390-9875
Türkiye
M. Kasım Şener
This is me
Yıldız Technical University
0000-0003-3560-2995
Türkiye
Atıf Koca
Marmara University
0000-0003-0141-5817
Türkiye
Publication Date
December 29, 2017
Submission Date
October 19, 2017
Acceptance Date
December 26, 2017
Published in Issue
Year 2017 Volume: 1 Number: 1
