Electro-Catalytic Oxidation of Methanol at Ni(OH)۲ Nanoparticles-Poly (o-Anisidine)/Triton X-۱۰۰ Film onto Phosphotungstic Acid-Modified Carbon Paste Electrode

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 34

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شناسه ملی سند علمی:

JR_IJCCE-38-2_005

تاریخ نمایه سازی: 17 خرداد 1404

چکیده مقاله:

In this work, Phosphotungstic Acid modified Carbon Paste Electrode (PWA-CPE) is used as a substrate for electro-polymerization of o-Anisidine (OA). Also, Triton X-۱۰۰ (TX-۱۰۰) surfactant is used as an additive for electrochemical polymerization of OA onto the PWA-CPE, which is investigated as a novel matrix for dispersion of nickel species. The prepared electrodes are characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and electrochemical methods. Growth of the poly o-Anisidine (POA) film in the absence of TX-۱۰۰ and/or PWA is very poor, while it considerably increases in the presence of them. The methanol oxidation and stability of the Ni/POA (TX-۱۰۰)/PWA-CPE are investigated by various electrochemical techniques. It has been shown that the poly (o-Anisidine)/Triton X-۱۰۰ (POA (TX-۱۰۰)) at the surface of PWA-CPE improves the catalytic efficiency of the dispersed Ni(OH)۲ nanoparticles towards methanol oxidation.

کلیدواژه ها:

Electro-catalysis ، Methanol ، Ni(OH)۲ nanoparticles ، Poly (o-Anisidine)/Triton X-۱۰۰ film ، Phosphotungstic acid

نویسندگان

Mohammad-Saleh Zabihi

Department of Chemistry, Faculty of Chemistry, North Tehran Branch, Islamic Azad University, ۱۹۱۳۶۷۴۷۱۱, Tehran, I.R. IRAN

Jahanbakhsh Raoof

Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, P.O. Box ۴۷۴۱۶-۹۵۴۴۷ Babolsar, I.R. IRAN

Sayed Reza Hosseini

Nanochemistry Research Laboratory, Faculty of Chemistry, University of Mazandaran, P.O. BOX ۴۷۴۱۶-۹۵۴۴۷ Babolsar, I.R. IRAN

Mahmoud Reza Sohrabi

Department of Chemistry, Faculty of Chemistry, North Tehran Branch, Islamic Azad University, ۱۹۱۳۶۷۴۷۱۱, Tehran, I.R. IRAN

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