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Photo-Electrochemical Properties of Titanium Dioxide Thin Films Prepared by Reactive RF Sputtering Method

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Abstract:

The photo-electrochemical properties of photocatalytic titanium dioxide thin films obtained by reactive RF magnetron sputtering were investigated. The pressure during the sputtering deposition affected the photocatarytic activity and photo-induced hydrophilicity, and at 2 Pa the highest activities were observed. The photocurrent under ultraviolet light illumination corresponded to the photo-induced activities of the films. It is suggested that the band bending near the surface is one of the most crucial factors determines the activities of photo-induced behavior of the titanium dioxide thin films.

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Periodical:

Materials Science Forum (Volume 750)

Pages:

248-251

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.750.248

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Online since:

March 2013

Authors:

Makoto Arita, Yu Tabata, Hiroki Sakamoto, Qi Xin Guo

Keywords:

Photocatalyst, Photo-Electrochemistry, Reactive Sputtering, Thin Film, Titanium Dioxide (TiO2)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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