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学科主题: 物理化学
题名: Morphology-dependent nanocatalysts: Rod-shaped oxides
作者: Li, Yong1;  Shen, Wenjie1
通讯作者: 申文杰
刊名: CHEMICAL SOCIETY REVIEWS
发表日期: 2014
DOI: 10.1039/c3cs60296f
卷: 43, 期:5, 页:1543-1574
收录类别: SCI
文章类型: Review
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Nanocatalysts are characterised by the unique nanoscale properties that originate from their highly reduced dimensions. Extensive studies over the past few decades have demonstrated that the size and shape of a catalyst particle on the nanometre scale profoundly affect its reaction performance. In particular, controlling the catalyst particle morphology allows a selective exposure of a larger fraction of the reactive facets on which the active sites can be enriched and tuned. This desirable surface coordination of catalytically active atoms or domains substantially improves catalytic activity, selectivity, and stability. This phenomenon is called morphology-dependent nanocatalysts: catalyst particles with anisotropic morphologies on the nanometre scale greatly affect the reaction performance by selectively exposing the desired facets. In this review, we highlight important progress in morphology-dependent nanocatalysts based on the use of rod-shaped metal oxides with characteristic redox and acid-base features. The correlation between the catalytic properties and the exposed facets verifies the chemical nature of the morphology effect. Moreover, we provide an overview of the interactions between the rod-shaped oxides and the metal nanoparticles in metal-oxide catalyst systems, involving crystal-facet-selective deposition of metal particles onto different crystal facets in the oxide supports. A fundamental understanding of active sites in morphologically tuneable oxides enclosed by the desired reactive facets is expected to direct the development of highly efficient nanocatalysts.
关键词[WOS]: GAS SHIFT REACTION ;  SELECTIVE CATALYTIC-REDUCTION ;  METAL-SUPPORT INTERACTIONS ;  LOW-TEMPERATURE OXIDATION ;  POROUS CO3O4 NANOWIRES ;  ONE-DIMENSIONAL NANOSTRUCTURES ;  FUNCTIONAL THEORY CALCULATIONS ;  LITHIUM STORAGE PROPERTIES ;  TEMPLATE-FREE SYNTHESIS ;  GAMMA-ALUMINA SURFACES
语种: 英语
WOS记录号: WOS:000331188400012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144373
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

Recommended Citation:
Li, Yong,Shen, Wenjie. Morphology-dependent nanocatalysts: Rod-shaped oxides[J]. CHEMICAL SOCIETY REVIEWS,2014,43(5):1543-1574.
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