Enhancement of visible-light-driven O2 evolution from water oxidation on WO3 treated with hydrogen.

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Title: Enhancement of visible-light-driven O2 evolution from water oxidation on WO3 treated with hydrogen.
Authors: Liu, Gang1, Han, Jingfeng1, Zhou, Xin1, Huang, Lei1, Zhang, Fuxiang1, Wang, Xiuli1, Ding, Chunmei1, Zheng, Xiaojia1, Han, Hongxian1, Li, Can1 canli@dicp.ac.cn
Source: Journal of Catalysis. Nov2013, Vol. 307, p148-152. 5p.
Subjects: Visible spectra, Photocatalytic oxidation, Oxidation of water, Tungsten trioxide, Comparative studies, Electric conductivity
Abstract: Highlights: [•] The photocatalytic O2 evolution activity of hydrogen-treated WO3 is enhanced more than twice compared to the pristine WO3. [•] Hydrogen treatment of WO3 generates a kind of H x WO3–WO3 composite on the surface layer of WO3. [•] The electrical conductive H x WO3 phase plays as a role of reduction cocatalyst for WO3. [Copyright &y& Elsevier]
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Database: Engineering Source
Description
Abstract:Highlights: [•] The photocatalytic O2 evolution activity of hydrogen-treated WO3 is enhanced more than twice compared to the pristine WO3. [•] Hydrogen treatment of WO3 generates a kind of H x WO3–WO3 composite on the surface layer of WO3. [•] The electrical conductive H x WO3 phase plays as a role of reduction cocatalyst for WO3. [Copyright &y& Elsevier]
ISSN:00219517
DOI:10.1016/j.jcat.2013.06.024