Nickel–poly(o-aminophenol)-modified carbon paste electrode; an electrocatalyst for methanol oxidation

RETRACTED ARTICLE: Nickel modified ionic liquid/carbon paste electrode for highly efficient electrocatalytic oxidation of methanol in alkaline medium

“…However, as we have previously reported [34], we assume that the appearance of a new anodic peak at more positive potential is related to different crystallographic forms of Ni(OH) 2 . In fact in the presence of methanol, NiOOH reduces to β-Ni(OH) 2 that is oxidized at a higher potential than α-Ni(OH) 2 oxidation.…”

Poly(o-aminophenol) film prepared in the presence of sodium dodecyl sulfate: Application for nickel ion dispersion and the electrocatalytic oxidation of methanol and ethylene glycol

“…Electrode 3 (Ni/POAP/MCPE) is prepared on the surface of a modified carbon paste containing 1% O-Aminophenol monomer. The preparation and application of electrode 3 were separately discussed in our previous work [41]. If we compare electrodes 3 and 4, it is clear that although the amounts of Nickel on the surface of these electrodes are almost comparable, Ni/SDS-POAP/CPE is a more effective catalyst for the electro-oxidation of methanol.…”

Cetyltrimethyl ammonium bromide effect on highly electrocatalysis of methanol oxidation based on nickel particles electrodeposited into poly (m-toluidine) film on the carbon paste electrode

“…Smaller or negligible poisoning effects in alkaline solutions were also observed [23]. Recently, we have combined the advantageous features of polymer modification, dispersion of metallic particles into an organic polymer and carbon paste electrode by construction of Ni/P-1,5-DAN/MCPE [24], Ni/POAP/MCPE [25], Ni/SDS-POAP/MCPE [26] which can successfully catalyze the oxidation of methanol in alkaline medium. In all these works, Ni (II) ions were incorporated by immersion of the modified electrodes in Ni (II) ion solution at open circuit.…”