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学科主题物理化学
Tuning the shape of ceria nanomaterials for catalytic applications
Ta Na1; Liu (Jimmy) Jingyue1,2; Shen Wenjie1; Shen WJ(申文杰)
关键词Cerium Dioxide Shape Control Nanorod Nanotube Nanocube Crystal Facet Gold-ceria Interface Nanocatalysis
刊名CHINESE JOURNAL OF CATALYSIS
2013-05-01
DOI10.1016/S1872-2067(12)60573-7
34期:5页:838-850
收录类别SCI
合作性质
文章类型Review
部门归属5,DNL20
项目归属501,DNL2002
产权排名待补充
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者1,1 ; 1,1 ; 1,1 ; 1,1
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]GAS SHIFT REACTION ; AU NANO-PARTICLES ; LOW-TEMPERATURE OXIDATION ; TEMPLATE-FREE SYNTHESIS ; CO OXIDATION ; GOLD NANOPARTICLES ; CEO2 NANOTUBES ; CARBON-MONOXIDE ; HYDROTHERMAL SYNTHESIS ; FACILE SYNTHESIS
英文摘要The design and fabrication of catalytic materials is a key issue in heterogeneous catalysis to achieve desired performance. Traditionally, the main theme is to reduce the size of the catalyst particles as small as possible for increasing the number of active sites. In recent years, the rapid advancement in materials science has enabled us to fabricate catalyst particles with tunable shape at nanometer level. Through morphology control of nanoparticles by exposing highly reactive crystal planes, their catalytic properties can be drastically enhanced. Therefore, both size modulation and shape control of catalyst nanoparticles can be achieved independently or synergistically to optimize their catalytic behavior. We highlight, in this review, the recent progress in shape control of CeO2 materials that are widely used as crucial components or structural and electronic promoters in heterogeneous catalysts. We first summarize the major synthetic strategies and characteristics of shape-controlled CeO2 nanomaterials. We then survey morphology-dependent nanocatalysis of CeO2 and Au-CeO2 catalysts. We understand now that the enhanced catalytic property of the Au-CeO2 system is closely related to the unique interaction between the gold nanoparticles and the ceria support; such an interaction originates from the particular shape of ceria, especially the exposed facets. Finally, we present our understanding of the morphology-dependent nanocatalysis and provide our perspectives on their future potential and development. The fundamental understanding of the nature of the intrinsic active sites of the shape-tunable ceria nanostructures, enclosed by reactive crystal planes/facets with unique properties, is expected to provide highly efficient nanocatalysts for practical applications. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
语种英语
资助者1,1 ; 1,1 ; 1,1 ; 1,1
原文出处查看原文
WOS记录号WOS:000318744600004
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/119300
专题中国科学院大连化学物理研究所
通讯作者Shen WJ(申文杰)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA
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GB/T 7714
Ta Na,Liu ,Shen Wenjie,et al. Tuning the shape of ceria nanomaterials for catalytic applications[J]. CHINESE JOURNAL OF CATALYSIS,2013,34(5):838-850.
APA Ta Na,Liu ,Shen Wenjie,&申文杰.(2013).Tuning the shape of ceria nanomaterials for catalytic applications.CHINESE JOURNAL OF CATALYSIS,34(5),838-850.
MLA Ta Na,et al."Tuning the shape of ceria nanomaterials for catalytic applications".CHINESE JOURNAL OF CATALYSIS 34.5(2013):838-850.
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