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Journals / International Journal of Chemistry and Technology / 2017 / Cilt: 1 - Sayı: 1

Electrochemical pesticide sensor based on anthraquinone substituted copper phthalocyanine

Yeliz İPEK
M. Kasım Şener
Atıf Koca
Pages
74–85
Publication Date
2017-12-29
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The lowest detection limit (DL) (1.23x10-9 mol dm-3) was obtained with ITO/CuPc-AQ-nAu electrode using electrochemical impedance spectroscopy technique.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, a biomimetic selective pesticide electrochemical sensor based on copper phthalocyanine-anthraquinone hybrid (CuPc-AQ) was studied.
📊
Key Findings & Data:Thin film of CuPc-AQ on ITO electrode (ITO/CuPc-AQ) was exposed to water samples containing eserine and carbofuran pesticides, separately.
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Conclusion & Impact:The lowest detection limit (DL) (1.23x10-9 mol dm-3) was obtained with ITO/CuPc-AQ-nAu electrode using electrochemical impedance spectroscopy technique.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Electrochemistry · Phthalocyanine · Pesticide sensor

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.

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Cite This Article

İPEK, Y., Şener, M. K., Koca, A. (2017). Electrochemical pesticide sensor based on anthraquinone substituted copper phthalocyanine. International Journal of Chemistry and Technology, Cilt: 1 - Sayı: 1, 74–85. https://ajindex.com/articles/765732

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