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题名: Effect of silver deposition on photocatalytic activity of TiO2
作者: Liu, SX;  Qu, ZP;  Han, XW;  Sun, CL;  Bao, XH
关键词: silver ;  titanium dioxide ;  supported catalyst ;  phenol ;  photocatalysis ;  degradation
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2004-02-01
卷: 25, 期:2, 页:133-137
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The Ag/TiO2 photocatalyst with varying Ag loadings was prepared by the photodeposition method and its photocatalytic activity was tested using phenol degradation as the model reaction. Transmission electron microscopy and diffuse reflectance spectroscopy (DRS) were used to observe the distribution and size of silver clusters on the TiO2 surface and to determine the optical characteristics of Ag/TiO2, respectively. The results showed that a suitable Ag loading could greatly enhance the TiO2 photocatalytic activity. Ag clusters were formed on the TiO2 surface and the size of Ag clusters increased with the increase in Ag loading. The DRS results indicated that silver deposition had no effect on the optical characteristics of the catalyst lit the UV region. The relationship between the Ag loading and the photocatalytic activity of Ag/TiO2 was discussed.
关键词[WOS]: OXIDATION ;  DEGRADATION ;  FILMS
语种: 英语
WOS记录号: WOS:000220194700013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139297
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.NE Forestry Univ, Fac Mat Sci & Engn, Harbin 150040, Heilongjiang, Peoples R China

Recommended Citation:
Liu, SX,Qu, ZP,Han, XW,et al. Effect of silver deposition on photocatalytic activity of TiO2[J]. CHINESE JOURNAL OF CATALYSIS,2004,25(2):133-137.
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