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Investigation on visible-light activity of WOx/TiO2 photocatalyst
Zhang, Q; Li, XJ; Li, FB; Chang, J
2004-05-01
发表期刊ACTA PHYSICO-CHIMICA SINICA
卷号20期号:5页码:507-511
摘要The TiO2 thin films from dip-coating system were magnetron sputtered on with WOx, and can be activated by visible-light in gaseous dimethyl benzene photocatalytic degradation. The mechanism of its visible-light activity was investigated by UV-Vis absorption spectra and X-ray photoemission. UV-Vis absorption spectra showed its visible-light response expanding and having strong absorption with respect to the pure TiO2 film. XPS indicated the formation of W impurity energy level and Ti defect energy level, which was the main reason for the absorption in the visible-light range and the perquisite to have visible-light activity; and made Fermi level upper moved, free carriers more and photocatalytic efficiency enhanced.
文章类型Article
关键词Photocatalysis Activity Under Visible-light Xps Fermi Level Titanium Dioxide Magnetron Sputtering Tungsten Oxide
WOS标题词Science & Technology ; Physical Sciences
DOI10.3866/PKU.WHXB20040513
研究领域[WOS]Chemistry
关键词[WOS]PHOTO-CATALYTIC BEHAVIOR ; SOL-GEL ; DOPED TIO2 ; FILMS ; NANOPOWDER
收录类别SCI
语种英语
WOS类目Chemistry, Physical
WOS记录号WOS:000221624700013
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10493
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Hong Kong Polytech Univ, Dept Civil & Struct Engn, Kowloon, Hong Kong, Peoples R China
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Zhang, Q,Li, XJ,Li, FB,et al. Investigation on visible-light activity of WOx/TiO2 photocatalyst[J]. ACTA PHYSICO-CHIMICA SINICA,2004,20(5):507-511.
APA Zhang, Q,Li, XJ,Li, FB,&Chang, J.(2004).Investigation on visible-light activity of WOx/TiO2 photocatalyst.ACTA PHYSICO-CHIMICA SINICA,20(5),507-511.
MLA Zhang, Q,et al."Investigation on visible-light activity of WOx/TiO2 photocatalyst".ACTA PHYSICO-CHIMICA SINICA 20.5(2004):507-511.
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