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题名: Nanocrystalline CeO2 in SBA-15: Performance of Pt/CeO2/SBA-15 catalyst for water-gas-shift reaction
作者: Bi, Ya Dong;  Zhang, Wei;  Xu, Heng Yong;  Li, Wen Zhao
通讯作者: 徐恒泳
关键词: nanocrystalline CeO2 ;  SBA-15 ;  Pt ;  water-gas-shift reaction
刊名: CATALYSIS LETTERS
发表日期: 2007-11-01
DOI: 10.1007/s10562-007-9209-3
卷: 119, 期:1-2, 页:126-133
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: CeO2 particles confined within the pores of an SBA-15 mesoporous silica host were prepared by incipient wetness impregnation (IMP) and deposition precipitation (DP) methods. The materials were characterized by XRD, N-2-adsorption and temperature programmed reduction (TPR) to evaluate the structure, texture, and redox properties. The preparation procedure had significant impact on the assembling mode of CeO2 inside the SBA-15 mesopores. A high dispersion of CeO2 particles was achieved via DP, whereas the dispersion of CeO2 prepared by IMP was found to be inhomogeneous and CeO2 partially blocked the pores. The CO conversion in the water-gas-shift reaction was enhanced over 1 wt% Pt supported on CeO2-modified SBA-15 obtained by DP.
关键词[WOS]: CO OXIDATION ;  MESOPOROUS SILICA ;  CERIA ;  NANOPARTICLES ;  REDUCTION ;  OXIDES ;  PORES ;  GOLD ;  AU
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000250234900017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99585
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, Appl Catalysis Lab, Dalian 116023, Peoples R China
2.Harbin Normal Univ, Dept Chem, Harbin 150080, Peoples R China

Recommended Citation:
Bi, Ya Dong,Zhang, Wei,Xu, Heng Yong,et al. Nanocrystalline CeO2 in SBA-15: Performance of Pt/CeO2/SBA-15 catalyst for water-gas-shift reaction[J]. CATALYSIS LETTERS,2007,119(1-2):126-133.
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