Electrocatalytic oxidation of ethanol on the surface of the POAP/ phosphoric acid-doped ionic liquid-functionalized graphene oxide nanocomposite film

Iranian Journal of Catalysis

مقاله 2، دوره 7، شماره 3، آذر 2017، صفحه 187-192   

نوع مقاله: Articles

نویسندگان

Ali Ehsani^{* 1}؛ Mojtaba Hadi¹؛ Elaheh Kowsari²؛ Samira Doostikhah³؛ Javad Torabian⁴

¹Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.

²Department of Chemistry, Amirkabir University of Technology, Tehran, Iran.

³Department of Chemistry, Payame Noor University, Iran.

⁴Faculty of Chemistry, K. N. Toosi University of Technology, Tehran, Iran.

چکیده

In situ electropolymerization as a facile synthetic procedure has been used to obtain highly active compositesof ionic liquid functionalized graphene oxide(FGO)and poly ortho aminophenol (POAP). Surface and electrochemical analysis have been used for characterisation of FGO-POAP composite film. Nickel was accumulated by complex formation between Ni (II) in solution and amines sites in the polymer backbone to obtain Ni-FGO-POAP/ graphite electrode. Surface morphology of composite was characterized by scanning electron microscopy. The electrochemical performance of Ni-FGO-POAP composite electrodes was investigated by cyclic voltammetry and Chronoamperometry. Compared with Ni- POAP, a Ni-FGO-POAP electrode shows a higher catalytic performance in the electrocatalytic oxidation of ethanol. Under the CA regimes the reaction followed a Cottrellian behavior. Developing a simple and green route for synthesis of FGO-POAP and long life cycle and stability of nanocomposite are main important factor in presented work.

کلیدواژه‌ها

POAP؛ Nanocomposite؛ graphene؛ Electrocatalyst؛ Ethanol

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