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学科主题: 物理化学
题名: In situ solid-state NMR for heterogeneous catalysis: a joint experimental and theoretical approach
作者: Zhang, Weiping1;  Xu, Shutao1;  Han, Xiuwen1;  Bao, Xinhe1
通讯作者: 张维萍 ;  包信和
刊名: CHEMICAL SOCIETY REVIEWS
发表日期: 2012
DOI: 10.1039/c1cs15009j
卷: 41, 期:1, 页:192-210
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
英文摘要: In situ solid-state NMR is a well-established tool for investigations of the structures of the adsorbed reactants, intermediates and products on the surface of solid catalysts. The techniques allow identifications of both the active sites such as acidic sites and reaction processes after introduction of adsorbates and reactants inside an NMR rotor under magic angle spinning (MAS). The in situ solid-state NMR studies of the reactions can be achieved in two ways, i.e. under batch-like or continuous-flow conditions. The former technique is low cost and accessible to the commercial instrument while the latter one is close to the real catalytic reactions on the solids. This critical review describes the research progress on the in situ solid-state NMR techniques and the applications in heterogeneous catalysis under batch-like and continuous-flow conditions in recent years. Some typical probe molecules are summarized here to detect the Bronsted and Lewis acidic sites by MAS NMR. The catalytic reactions discussed in this review include methane aromatization, olefin selective oxidation and olefin metathesis on the metal oxide-containing zeolites. With combining the in situ MAS NMR spectroscopy and the density functional theoretical (DFT) calculations, the intermediates on the catalyst can be identified, and the reaction mechanism is revealed. Reaction kinetic analysis in the nanospace instead of in the bulk state can also be performed by employing laser-enhanced MAS NMR techniques in the in situ flow mode (163 references).
关键词[WOS]: C-13 MAS NMR ;  ANGLE-SPINNING NMR ;  PROBE MOLECULE TRIMETHYLPHOSPHINE ;  METHANE DEHYDRO-AROMATIZATION ;  CONTINUOUS-FLOW CONDITIONS ;  HYPERPOLARIZED XE-129 NMR ;  MAGNETIC-RESONANCE-SPECTROSCOPY ;  QUANTUM-CHEMICAL CALCULATION ;  LEWIS-ACID SITES ;  OLEFIN METATHESIS
语种: 英语
WOS记录号: WOS:000297654700013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117739
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:
Zhang, Weiping,Xu, Shutao,Han, Xiuwen,et al. In situ solid-state NMR for heterogeneous catalysis: a joint experimental and theoretical approach[J]. CHEMICAL SOCIETY REVIEWS,2012,41(1):192-210.
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