Platinum nanoparticles supported on pore-arrayed tungsten trioxide as electrocatalyst for methanol oxidation

Pore-arrayed WO3 (p-WO3) was fabricated by using polystyrene spheres as templates and used as the support for platinum nanoparticles to prepare a new electrocatalyst (Pt/p-WO3) for methanol oxidation. The structure of p-WO3 and Pt/p-WO3 was characterized with scanning electron microscopy (SEM), tunn...

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Bibliographic Details
Published in:International journal of hydrogen energy 2013-08, Vol.38 (25), p.11080-11084
Main Authors: Wu, W., Xiang, X.D., Lin, Y.L., Li, W.S.
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Electrocatalyst
Electrocatalysts
Energy
Exact sciences and technology
Fuels
Hydrogen
Methanol oxidation
Methyl alcohol
Nanoparticles
Oxidation
Platinum
Platinum nanoparticles
Pore-arrayed tungsten oxide
Scanning electron microscopy
Transmission electron microscopy
Tungsten oxides
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Summary:Pore-arrayed WO3 (p-WO3) was fabricated by using polystyrene spheres as templates and used as the support for platinum nanoparticles to prepare a new electrocatalyst (Pt/p-WO3) for methanol oxidation. The structure of p-WO3 and Pt/p-WO3 was characterized with scanning electron microscopy (SEM), tunnel electron microscopy (TEM) and X-ray diffraction (XRD), and its electrocatalytic activity toward methanol oxidation was investigated with cyclic voltammetry (CV). The characterizations from SEM, TEM and XRD show that the platinum particles with an average size of 3.3 nm have been successfully distributed on the support p-WO3. The results from CV indicate that Pt/p-WO3 exhibits good electrocatalytic activity toward methanol oxidation. •Pore-arrayed WO3 (p-WO3) was fabricated by using polystyrene spheres as templates.•A new electrocatalyst with platinum nanoparticles dispersed on pore-arrayed WO3 (Pt/p-WO3) was prepared.•Pt/p-WO3 exhibits good electrocatalytic activity toward methanol oxidation.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2013.02.123