期刊
CATALYSIS TODAY
卷 161, 期 1, 页码 41-45出版社
ELSEVIER
DOI: 10.1016/j.cattod.2010.09.029
关键词
Urea derived compound; Photocatalyst; Visible light; Preparation
资金
- [21550191]
Preparation and photocatalytic property of a compound prepared from the pyrolysis of urea under N-2 atmosphere was investigated. The compounds prepared over 773K showed photo-absorption below 460 nm and the property of n-type semiconductor. The platinized compounds showed the photocatalytic activity on H-2 production from aqueous methanol under the visible light irradiation (shorter than 440 nm). The photocatalytic active phase was confirmed to be graphitic C3N4 (g-C3N4) like phase produced under the pyrolysis of urea above 723 K. The effects of the addition of cyanuric acid and melamine, regarded as the intermediates of the compounds to the photocatalytic activity were examined. (C) 2010 Elsevier B.V. All rights reserved.
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