Photocatalytic Decomposition of Formic Acid Under Visible Light Irradiation Over V-ion-implanted TiO2 Thin Film Photocatalysts Prepared on Quartz Substrate by Ionized Cluster Beam (ICB) Deposition Method |
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| Authors: | Jinkai Zhou Masato Takeuchi X. S. Zhao Ajay K. Ray Masakazu Anpo |
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| Affiliation: | (1) Department of Chemical and Biomolecular Engineering, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore, 119260, Singapore;(2) Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan |
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| Abstract: | Unique visible-light-responsive TiO2 photocatalysts (λ>450 nm) were successfully developed by implantation of V ions into the TiO2 thin films prepared on a quartz substrate by an ionized cluster beam (ICB) deposition method. After V ions implantation into TiO2 thin film, the photocatalytic activity of the thin films for the decomposition of formic acid into CO2 and H2O was found to proceed efficiently under visible light irradiation longer than 450 nm. The TiO2 thin film photocatalysts were characterized by XRD, UV-vis, XPS, FE-SEM and AFM. |
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| Keywords: | TiO2 thin films ionized cluster beam deposition method V ions implantation visible-light-responsive TiO2 photocatalysts decomposition of formic acid |
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