Facile Synthesis of Macrocellular Mesoporous Foamlike Ce-Sn Mixed Oxides with a Nanocrystalline Framework by Using Triblock Copolymer as the Single Template

doi:10.1002/smll.200900901

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	Facile Synthesis of Macrocellular Mesoporous Foamlike Ce-Sn Mixed Oxides with a Nanocrystalline Framework by Using Triblock Copolymer as the Single Template
	Li, Le-Le 1; Xu, Jun 1; Yuan, Quan 1; Li, Zhen-Xing 1; Song, Wei-Guo 2; Yan, Chun-Hua 1
刊名	SMALL
	2009-12-04
卷号	5 期号:23 页码:2730-2737
关键词	Foams Heterogeneous Catalysis Mesoporous Materials Nanocrystalline Materials Oxides
ISSN号	1613-6810
DOI	10.1002/smll.200900901
英文摘要	Macrocellular mesoporous foamlike cerium-tin mixed oxide materials with well-defined porous structure and nanocrystalline frameworks are synthesized through a simple one-step self-assembly process using an amphiphilic triblock copolymer as the single template. The macrocellular pores are synthesized without the addition of any swelling agent or hazardous acids. The final mixed oxide possesses a hierarchically porous structure including macrocellular foam with ultralarge cell size, closed windows, and mesopores on the walls. This indicates that the porous structure can be notably stabilized and improved by the incorporation of Sn in the CeO(2). The materials are expected to be good candidates in catalysis, since the hierarchical porosity enables high surface areas and hence more chemically active sites associated with the mesopores, combined with the high efficiency of mass transport from the macrocellular foam. The catalytic characteristics are discussed in relation to the architectures of the materials, and it is revealed that the macrocellular/mesoporous materials would be an efficient catalyst for CO oxidation.
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000272671900017
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/68603]
专题	中国科学院化学研究所
通讯作者	Yan, Chun-Hua
作者单位	1.Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Li, Le-Le,Xu, Jun,Yuan, Quan,et al. Facile Synthesis of Macrocellular Mesoporous Foamlike Ce-Sn Mixed Oxides with a Nanocrystalline Framework by Using Triblock Copolymer as the Single Template[J]. SMALL,2009,5(23):2730-2737.
APA	Li, Le-Le,Xu, Jun,Yuan, Quan,Li, Zhen-Xing,Song, Wei-Guo,&Yan, Chun-Hua.(2009).Facile Synthesis of Macrocellular Mesoporous Foamlike Ce-Sn Mixed Oxides with a Nanocrystalline Framework by Using Triblock Copolymer as the Single Template.SMALL,5(23),2730-2737.
MLA	Li, Le-Le,et al."Facile Synthesis of Macrocellular Mesoporous Foamlike Ce-Sn Mixed Oxides with a Nanocrystalline Framework by Using Triblock Copolymer as the Single Template".SMALL 5.23(2009):2730-2737.