MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Partial Sulfurization of Laser-ablated Titanium Oxide Film for the Improvement in Photocatalytic Property
Takahiro NakamuraMitsugu ArataHideyuki TakahashiKatsutoshi YamamotoNobuaki SatoAtsushi MuramatsuEiichiro Matsubara
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2003 Volume 44 Issue 4 Pages 685-687

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Abstract

Photocatalytic titanium oxide (TiO2) thin films were prepared on quartz substrate by the pulsed laser deposition using Nd:YAG (λ=1.064 μm) pulse laser. Subsequently, the films were sulfurized in H2S or CS2 atmosphere under various conditions. After the sulfurization of the film in H2S or CS2 at 1273 K for 1 h, the surface morphology and structure of the deposited TiO2 film were changed. The photocatalytic property of the film might be improved by the sulfurization using CS2 at the temperatures lower than 1273 K.

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© 2003 The Japan Institute of Metals and Materials
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