Electrocatalytic Oxidation of Formaldehyde on Nickel-Poly(o-Toluidine)-Polyvinylalcohol Modified Glassy Carbon Electrode

Yu Xia Liu

doi:10.4028/www.scientific.net/AMM.543-547.3798

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Electrocatalytic Oxidation of Formaldehyde on...

Electrocatalytic Oxidation of Formaldehyde on Nickel-Poly(o-Toluidine)-Polyvinylalcohol Modified Glassy Carbon Electrode

Abstract:

The electrocatalytic oxidation of formaldehyde on Nickel-Poly (o-toluidine) - polyvinylalcohol modified glassy carbon electrode (Ni-P(OT)-PVA/GCE) was developed. This involves in situ electropolymerization of o-toluidine at GCE, which is following to the incorporation of Ni (II) to polymeric layer by immersion of modified electrode in 1.0 M nickel sulphate solution. The general electrochemical behavior was characterized by cyclic voltammetry and chronoamperometry methods in alkaline media. The results showed that the Ni-P(OT)-PVA/GCE system exhibits a significant electrocatalytic activity towards oxidation of formaldehyde. The effects of scan rate and formaldehyde concentration on the electrocatalytic oxidation of formaldehyde were also investigated at the surface of Ni-P(OT)-PVA/GCE.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

3798-3801

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.3798

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Online since:

March 2014

Authors:

Yu Xia Liu*

Keywords:

Formaldehyde, Nickel Oxyhydroxide, Poly(O-Toluidine), Sensor

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