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题名: Template-Free Synthesis of Sphere, Rod and Prism Morphologies of CeO2 Oxidation Catalysts
作者: Guan, Yejun1;  Hensen, Emiel J. M.2;  Liu, Yan3;  Zhang, Haidong1;  Feng, Zhaochi1;  Li, Can1
关键词: Ceria ;  Hydrothermal synthesis ;  Morphology ;  Carbon monoxide oxidation
刊名: CATALYSIS LETTERS
发表日期: 2010-06-01
DOI: 10.1007/s10562-010-0349-5
卷: 137, 期:1-2, 页:28-34
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Ceria materials with sphere, rod, and prism morphologies were synthesized via the hydrolysis of solutions containing Ce(NO3)(3) and urea under hydrothermal conditions. By carefully adjusting the synthesis conditions (salt concentration, temperature and synthesis time), spheres with a diameter of about 200 nm, rods of about 6 nm in width and 60 nm in length and prisms with an edge length of about 600 nm were synthesized. XRD and TEM indicate that the grain size of these samples is in the range of 7-10 nm after calcination at 450 degrees C. These ceria materials exhibit a higher catalytic activity in the oxidation of CO than conventionally prepared CeO2.
关键词[WOS]: HYDROTHERMAL SYNTHESIS ;  CONTROLLABLE SYNTHESIS ;  AROMATIC-HYDROCARBONS ;  SELECTIVE SYNTHESIS ;  CERIA NANORODS ;  NANOWIRES ;  NANOCUBES ;  POWDERS ;  NANOTUBES ;  CHEMISTRY
语种: 英语
WOS记录号: WOS:000277786100004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141738
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands
3.ICES, Singapore 627833, Singapore

Recommended Citation:
Guan, Yejun,Hensen, Emiel J. M.,Liu, Yan,et al. Template-Free Synthesis of Sphere, Rod and Prism Morphologies of CeO2 Oxidation Catalysts[J]. CATALYSIS LETTERS,2010,137(1-2):28-34.
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