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学科主题: 物理化学
题名: Catalysis by gold: New insights into the support effect
作者: Liu, Xiao Yan1, 2;  Wang, Aiqin1;  Zhang, Tao1;  Mou, Chung-Yuan2
通讯作者: 张涛 ;  Chung-Yuan Mou
关键词: Gold ;  Catalysis ;  Support effect ;  Inversely supported gold ;  Strong metal-support interaction
刊名: NANO TODAY
发表日期: 2013-08-01
DOI: 10.1016/j.nantod.2013.07.005
卷: 8, 期:4, 页:403-416
收录类别: SCI
合作性质: 
文章类型: Review
部门归属: 15
项目归属: 1501
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
资助者: 1,1
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: The metal-support interaction (MSI) plays an essential role in the catalysis by gold. We summarized the support effect on the catalysis by gold in this review. According to the reducibility of the oxide supports, we divide the supports into two categories: reducible metal-oxide (RMO) and irreducible oxide (IRO) supports. The catalytic mechanisms for low-temperature CO oxidation over RMO supported gold catalysts are discussed based on the recent progress on this topic and the key role of gold-support interface in the catalytic reactions is highlighted. To prolong the perimeters of the gold-support interfaces, one can both decrease the sizes of gold nanoparticles (GNPs) and tune the morphology of the support (e.g., shape, size, etc.). From the point of view of decreasing the size of both gold and the support simultaneously for maximizing the boundary of gold and the support, we classify the gold-based bimetallic catalysts into metal supported gold and inversely metal/RMO supported gold. The nanoporous gold (NPG) synthesized by dealloying bulk Au-Ag alloy can also be considered as an inversely Ag/AgOx supported gold catalyst. Thus, the traditional concept of support can be extended greatly. Finally, the strong metal-support interaction (SMSI) in the Au-based and Pt-based system has been compared to show the distinctive feature of gold catalysts. (c) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: TEMPERATURE CO OXIDATION ;  GAS SHIFT REACTION ;  UNSUPPORTED NANOPOROUS GOLD ;  CATALYTICALLY ACTIVE GOLD ;  NIAU ALLOY NANOPARTICLES ;  NOBLE-METAL CATALYSTS ;  MESOPOROUS SILICA ;  SELECTIVE HYDROGENATION ;  CARBON-MONOXIDE ;  HETEROGENEOUS CATALYSIS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000324783300010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119303
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.Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

Recommended Citation:
Liu, Xiao Yan,Wang, Aiqin,Zhang, Tao,et al. Catalysis by gold: New insights into the support effect[J]. NANO TODAY,2013,8(4):403-416.
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