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Issue 16, 2013
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Electrocatalytic oxidation of formaldehyde on direct electrodeposited graphene–platinum nanoparticles composites electrode

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Abstract

The one-step electrochemical deposition of highly dispersed platinum nanoparticles on graphene to fabricate a new Pt/EG/GC modified electrode for formaldehyde determination in aqueous solution. Catalyst surface morphology was characterized by scanning electron microscope (SEM) and transmission electron microscope (TEM), the composition analysis was carried out on energy-dispersive X-ray spectroscopy (EDS). The electrochemical performances of the electrode were investigated by cyclic voltammetry, and clear amperometric responses were obtained in the scan process. The correlation coefficient was 0.998 of the linear relation between current values and concentrations, the Pt/EG/GC electrode exhibited a low limit of detection (0.04 mM), high sensitivity (0.0162 mA mM−1) and long working life. These characteristics make the Pt/EG/GC electrode appropriate for the formaldehyde determination based on formaldehyde electric catalytic oxidation.

Graphical abstract: Electrocatalytic oxidation of formaldehyde on direct electrodeposited graphene–platinum nanoparticles composites electrode

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Publication details

The article was received on 07 Mar 2013, accepted on 14 May 2013 and first published on 15 May 2013


Article type: Paper
DOI: 10.1039/C3AY40364E
Citation: Anal. Methods, 2013,5, 3915-3919
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    Electrocatalytic oxidation of formaldehyde on direct electrodeposited graphene–platinum nanoparticles composites electrode

    Y. Chen, X. Liu, W. Zhang, Y. Zhang, L. Li, Z. Cao, H. Wang, G. Jia, Y. Gao and J. Liu, Anal. Methods, 2013, 5, 3915
    DOI: 10.1039/C3AY40364E

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