Electrocatalytic Properties of Pt-TiO2 Nanotubes Electrode Prepared by Pulse Electrodeposition Method

doi:10.3969/j.issn.0251-0790.2012.05.028

Abstract

Abstract: Platinum(Pt) nanoflower structure was electrodeposited on the surface of the aligned TiO₂ nanotube, which was fabricated by anodic oxidation on titanium samples. The obtained electrode was characterized by XRD and SEM. The experiment results show that Pt is dispersed on the TiO₂ nanotubes in the shape of nanoflowers, particle size is 25.6 nm based on the calculations of XRD. Compared with pure Pt and clean TiO₂ nanotube arrays, the hybrid electrodes' electrocatalytic activity for methanol oxidation has been greatly improved. The oxidation current densities on Pt-TiO₂ nanotubes electrode are 40 times higher than that of pure platinum electrode. The hybrid electrode shows promising applications in many fields, such as direct methanol fuel cell, treatment of polluted water and so on.

Key words: Methanol, Pulse electrodeposition, Platnium, TiO₂ nanotubes, Electrocatalytic property

CLC Number:

O646
TB34

TrendMD:

MENG Xiang-Long, LI Hong-Yi, WANG Jin-Shu. Electrocatalytic Properties of Pt-TiO₂ Nanotubes Electrode Prepared by Pulse Electrodeposition Method[J]. Chem. J. Chinese Universities, 2012, 33(05): 1021.

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Electrocatalytic Properties of Pt-TiO₂ Nanotubes Electrode Prepared by Pulse Electrodeposition Method

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