Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 95, Issue 10, Pages 3346-3351Publisher
WILEY
DOI: 10.1111/j.1551-2916.2012.05370.x
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Funding
- National Basic Research Program of China [2009CB939704]
- Wuhan Young Scientists Chenguang Plan [20091j0080]
- Fundamental Research Funds for the Central Universities (Wuhan University of Technology) [2012-IV-008]
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Using magnetron sputtering, followed by post calcination TiO2, WO3, and TiO2/WO3 layered films were prepared using magnetron sputtering and followed by post calcination. The film structures and morphologies were checked using XRD, Raman spectroscopy, FE-SEM, XPS, and UV-Vis spectroscopy. The TiO2 and WO3 films are of anatase and orthorhombic structures. The WO3 underlayer of the TiO2/WO3 film grows in [002] direction, almost perpendicular to substrates. Compared with the TiO2 film, the TiO2/WO3-layered film effectively absorbs near-UV light. The photocurrent of layered TiO2/WO3 film is much higher than that of TiO2 film under UV light illumination. The photoelectrocatalytic activity of the films was evaluated in two-electrode photocatalytic reactor, which is assisted by bias voltage. It is seen that PEC activity of TiO2/WO3 film is almost four times higher than pure TiO2 film. Summarily, the TiO2/WO3-layered film with dual-function of anti-UV light and high PEC activity was prepared using facile magnetron sputtering.
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