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Interaction at Pt-CeO2 Contact Interface over Pt/CeO2/SBA-15 Catalyst
Bi Ya-Dong; Zhang Wei; Xu Heng-Yong; Li Wen-Zhao
关键词Ceo2 Sba-15 Molecular Sieve Pt Uv-vis Diffuse Reflectance Spectrum Co Temperature-programmed Reduction
刊名CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
2009-10-10
30期:10页:2032-2035
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
关键词[WOS]WATER-GAS-SHIFT ; LOW-TEMPERATURE ; CO OXIDATION ; CERIA ; GOLD ; ZIRCONIA ; OXIDES ; CEO2
英文摘要A high dispersion of CeO2 within the pores of an SBA-15 mesoporous silica was achieved via deposition precipitation(DP) method, and Pt/CeO2/SBA-15 catalyst was prepared by further depositing Pt on CeO2-modified SBA-15. UV-Vis diffuse reflectance spectra show that intimate contact is formed at Pt-CeO2 interface, which is in favor of the transfer of electrons from CeO2 to Pt and formation of oxygen vacancies. The CO temperature-programmed reduction(CO-TPR) verified the enhanced reducibility of the surface oxygen on CeO2 over Pt/CeO2/SBA-15-DP catalyst.
语种英语
WOS记录号WOS:000272151100023
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141415
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Appl Catalysis Lab, Dalian 116023, Peoples R China
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GB/T 7714
Bi Ya-Dong,Zhang Wei,Xu Heng-Yong,et al. Interaction at Pt-CeO2 Contact Interface over Pt/CeO2/SBA-15 Catalyst[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2009,30(10):2032-2035.
APA Bi Ya-Dong,Zhang Wei,Xu Heng-Yong,&Li Wen-Zhao.(2009).Interaction at Pt-CeO2 Contact Interface over Pt/CeO2/SBA-15 Catalyst.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,30(10),2032-2035.
MLA Bi Ya-Dong,et al."Interaction at Pt-CeO2 Contact Interface over Pt/CeO2/SBA-15 Catalyst".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 30.10(2009):2032-2035.
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