Title of article
Electrocatalytic Oxidation of Ethanol and Ethylene Glycol onto Poly (o-Anisidine)-Nickel Composite Electrode
Author/Authors
Naddaf, Ezzat Department of Applied Chemistry - Quchan Branch - Islamic Azad University - Quchan , Imani, Alihossien Quchan Branch - Islamic Azad University - Quchan , Abedi, Mohammad Reza Department of Applied Chemistry - Quchan Branch - Islamic Azad University - Quchan , Zabihi, Mohammad Saleh Department of Applied Chemistry - North Tehran Branch - Islamic Azad University - Tehran
Pages
12
From page
59
To page
70
Abstract
In this work, poly (o-Anisidine) (POA) was prepared by consecutive potential cycling
in an acidic monomer solution at the surface of Carbon Paste Electrode (CPE). Nickel ions
were dispersed into the polymer by immersing the electrode in NiSO4 solution. The prepared
Ni/POA/CPE was characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy,
Atomic Force Microscopy (AFM) and electrochemical methods. The electrochemical oxidation of
ethanol and ethylene glycol was investigated at the Ni/POA/CPE by cyclic voltammetry and
chronoamperometry techniques. The results indicated that the Ni/POA/CPE in comparison
with Ni/CPE exhibited excellent electrocatalytic activity towards oxidation. Then, using
a chronoamperometry method, the catalytic rate constant, k, for ethanol and ethylene glycol
oxidation were found to be 2.6×106 and 1.07×107 cm3/mol s, respectively. Furthermore, the effect of
several parameters such as OA concentration, POA thickness, and NiSO4 concentration and
accumulation times towards the ethanol oxidation as well as the long-term stability of the modified
electrode has been investigated.
Keywords
Electrocatalytic oxidation , Ethanol , Ethylene glycol , Nickel , Poly (o-Anisidine)
Journal title
Astroparticle Physics
Serial Year
2017
Record number
2429052
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