Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
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 |
DOI | 10.3866/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 | |
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 |
推荐引用方式 GB/T 7714 | 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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