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题名: Effect of CeO2 on the Silver Species and Its Catalytic Activity for CO Oxidation
作者: Qu Zhen-Ping1;  Zhang Xiao-Dong1;  Chen Dan1;  Li Xin-Yong1;  Wen Meng1;  Wang Yi1;  Ma Ding2;  Wu Jing-Jing2
关键词: Silver ;  Carbon monoxide(CO) catalytic oxidation ;  Cerium dioxide(CeO2) ;  Active species
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2011-07-10
卷: 32, 期:7, 页:1605-1609
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: 8% ( mass fraction) Ag/CeO2-SiO2 catalysts were prepared by an incipient wetness co-impregnation and two-step impregnation methods. XRD, UV-Vis and BET were used for the characterization of the catalysts and the catalytic activity for CO oxidation was studied. The effects of CeO2 on the structure of catalysts and the silver active species were discussed. The results indicate that 8% Ag/1% CeO2-SiO2 show better catalytic activity for CO oxidation, and the activity is further increased after hydrogen treatment. XRD and UV-Vis characterization results show that CeO2 favored the dispersion of Ag particles on the surface of SiO2, and silver cluster is the main silver species when more CeO2 is supported on the surface of SiO2.
关键词[WOS]: AG/SIO2 CATALYSTS
语种: 英语
WOS记录号: WOS:000293303800029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142500
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.Dalian Univ Technol, Sch Environm Sci & Technol, Minist Educ, Key Lab Ind Ecol & Environm Engn, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Qu Zhen-Ping,Zhang Xiao-Dong,Chen Dan,et al. Effect of CeO2 on the Silver Species and Its Catalytic Activity for CO Oxidation[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2011,32(7):1605-1609.
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