期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 105, 期 1, 页码 6-9出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2007.04.014
关键词
TiN film; photocatalyst; visible light; hydrogen evolution
Visible-light-driven TiN thin films with (111) preferred orientation were deposited on monocrystalline (100) silicon wafer by a cathodic arc technique. Properties of the sample were identified by XRD, AIM and UV-vis absorption spectrum. The TiN film is a novel photocatalyst having not only a narrow band gap (ca. 2.0eV) corresponding to the visible light absorption, but also a sufficient potential for H-2 evolution from the reduction of H+ in water, representing one of novel photocatalyst candidates for continuous hydrogen evolution from water decomposition using solar energy. It was suggested that the semiconductivity and photocatalyfic properties of the prepared TiN thin film resulted from the feature of preferred orientation. (c) 2007 Elsevier B.V. All rights reserved.
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