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Textural manipulation of mesoporous materials for hosting of metallic nanocatalysts
Sun, Junming; Bao, Xinhe; Bao XH(包信和); Bao XH(包信和)
关键词Heterogeneous Catalysis Mesoporous Materials Metal Nanoparticles Template Synthesis
刊名CHEMISTRY-A EUROPEAN JOURNAL
2008
DOI10.1002/chem.200800823
14期:25页:7478-7488
收录类别SCI
文章类型Review
部门归属5
项目归属502
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]SITU REDUCTION ROUTE ; GOLD NANOPARTICLES ; CATALYTIC-ACTIVITY ; CO OXIDATION ; PLATINUM NANOPARTICLES ; PORE-SIZE ; MESOSTRUCTURED SILICA ; ETHYLENE-EPOXIDATION ; MELTING TEMPERATURE ; TRIBLOCK COPOLYMERS
英文摘要The preparation and stabilization of nanoparticles are becoming very crucial issues in the field of so-called "nanocatalysis". Recent developments in supramolecular self-assembled porous materials have opened a new way to get nanoparticles hosted in the channels of such materials. In this paper, a new approach towards monodisperse and thermally stable metal nanoparticles by confining them in ordered mesoporous materials is presented, and three aspects are illustrated. Firstly, the recent progress in the functional control of rnesoporous materials will be briefly introduced, and the rational tuning of the textures, ore size, and pore length is demonstrated by controlling supramolecular self-assembly behavior. A novel synthesis of short-pore mesoporous materials is emphasized for their easy mass transfer in both biomolecule absorption and the facile assembly of metal nanocomposites within their pore channels. In the second part, the different routes for encapsulating monodisperse nanoparticles inside channels of porous materials are discussed, which mainly includes the ion-exchange/conventional incipient wetness impregnation, in situ encapsulation routes, organometallic methodologies, and surface functionalization schemes. A facile in situ autoreduction route is highlighted to get monodisperse metal nanoparticles with tunable sizes inside the channels of mesoporous silica. Finally, confinement of mesoporous materials is demonstrated to improve the thermal stability of monodisperse metal nanoparticles catalysts and a special emphasis will be focused on the stabilization of the metal nanoparticles with a low Tammann temperature. Several catalytic reactions concerning the catalysis of nanoparticles will be presented. These uniform nanochannels, which confine monodisperse and stable metal nanoparticles catalysts, are of great importance in the exploration of size-dependent catalytic chemistry and further understanding the nature of catalytic reactions.
语种英语
原文出处查看原文
WOS记录号WOS:000259079400009
引用统计
被引频次:85[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/100647
专题中国科学院大连化学物理研究所
通讯作者Bao XH(包信和); Bao XH(包信和)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Sun, Junming,Bao, Xinhe,Bao XH,et al. Textural manipulation of mesoporous materials for hosting of metallic nanocatalysts[J]. CHEMISTRY-A EUROPEAN JOURNAL,2008,14(25):7478-7488.
APA Sun, Junming,Bao, Xinhe,包信和,&包信和.(2008).Textural manipulation of mesoporous materials for hosting of metallic nanocatalysts.CHEMISTRY-A EUROPEAN JOURNAL,14(25),7478-7488.
MLA Sun, Junming,et al."Textural manipulation of mesoporous materials for hosting of metallic nanocatalysts".CHEMISTRY-A EUROPEAN JOURNAL 14.25(2008):7478-7488.
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