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

الموضوعات : Iranian Journal of Catalysis

Ali Ehsani ¹ (Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.)
Mojtaba Hadi ² (Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.)
Elaheh Kowsari ³ (Department of Chemistry, Amirkabir University of Technology, Tehran, Iran.)
Samira Doostikhah ⁴ (Department of Chemistry, Payame Noor University, Iran.)
Javad Torabian ⁵ (Faculty of Chemistry, K. N. Toosi University of Technology, Tehran, Iran.)

تاريخ الإرسال : 29 الجمعة , ذو الحجة, 1437 تاريخ التأكيد : 22 السبت , رمضان, 1438 تاريخ الإصدار : 10 الجمعة , ذو الحجة, 1438

الکلمات المفتاحية: Nanocomposite, graphene, Ethanol, Electrocatalyst, POAP,

ملخص المقالة :

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.

المصادر:

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