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Preparation and Characterization of the Visible Light Responsive TiO2 Thin Film Photocatalysts Prepared by Magnetron Sputtering Method and Their Photocatalytic Activities for the Water Splitting Reactions

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Abstract:

Visible light responsive TiO2 (Vis-TiO2) thin films were successfully developed by the radio-frequency magnetron sputtering method, and their photocatalytic activities for the water splitting reactions were investigated. Pt-loaded Vis-TiO2 thin films acted as photocatalysts to decompose water involving sacrificial reagent such as methanol or silver nitrate under visible light irradiation (λ³ 420 nm). Furthermore, the separate evolution of H2 and O2 was successfully achieved under solar light irradiation by applying these photocatalysts in a H-type glass container, which consists of two water phases separated by a TiO2 thin film and proton-exchange membrane.

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Periodical:

Materials Science Forum (Volumes 486-487)

Pages:

81-84

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.486-487.81

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Online since:

June 2005

Authors:

Masaya Matsuoka, Masaaki Kitano, Masato Takeuchi, Masakazu Anpo, John M. Thomas

Keywords:

H2 Evolution, Photocatalytic, TiO2 Thin Films, Visible Light, Water Splitting

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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