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Original Articles

Influences of the H2PtCl6 Solution's pH on the Photocatalytic Activities of Platinum-Loaded TiO2 Nanotubes

, , , , &
Pages 1408-1411 | Received 30 Aug 2007, Accepted 20 Sep 2007, Published online: 22 Oct 2008
 

Abstract

By using H2PtCl6 and titanate nanotubes as precursor, platinum-loaded TiO2 nanotubes (Pt/TiO2NTs) are prepared at different pH by deposition-precipitation method. The prepared materials are characterized with powder x-ray diffraction (XRD) and x-ray photoelectron spectra (XPS). Their photocatalytic performance is evaluated by the degradation rates of methyl orange solution under UV-vis light irradiation. Obtained results indicate that the pH of H2PtCl6 solution has obvious influence on the catalytic performance of Pt/TiO2NTs.

This work is supported by 973 Program (2005CB623607).

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