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题名: Oriented Zeolitic Imidazolate Framework-8 Membrane with Sharp H-2/C3H8 Molecular Sieve Separation
作者: Bux, Helge1;  Feldhoff, Armin1;  Cravillon, Janosch2;  Wiebcke, Michael2;  Li, Yan-Shuo3;  Caro, Juergen1
关键词: metal-organic frameworks ;  zeolitic imidazolate frameworks ;  membrane ;  oriented growth
刊名: CHEMISTRY OF MATERIALS
发表日期: 2011-04-26
DOI: 10.1021/cm200555s
卷: 23, 期:8, 页:2262-2269
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: A highly oriented zeolitic imidazolate framework 8 (ZIF-8) composite membrane was prepared by seeding and secondary growth. By dip-coating, preformed ZIF-8 nanocrystals were attached to the surface of a porous a-alumina support using polyethyleneimine is the coupling agent. After solvothermal treatment, a continuous and well-intergrown ZIF-8 layer was obtained. X-ray diffraction analysis of the membrane showed preferred orientation of the {100} plane parallel to the support. Further time-dependent investigations by scanning and transmission electron microscopy as well as X-ray diffraction indicated that the preferred orientation develops during an evolutionary growth process. In gas mixture permeation experiments, the membrane showed good performance in H-2/hydrocarbon separation. A sharp molecular sieve separation is observed for an equimolar H-2/C3H8 mixture with a separation factor above 300.
关键词[WOS]: METAL-ORGANIC-FRAMEWORK ;  HYDROGEN SELECTIVITY ;  DRUG-DELIVERY ;  DIFFUSION ;  GROWTH ;  FUNCTIONALIZATION ;  ADSORPTION ;  DYNAMICS ;  DESIGN ;  FUTURE
语种: 英语
WOS记录号: WOS:000289589000034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142296
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.Leibniz Univ Hannover, Inst Phys Chem & Electrochem, D-30167 Hannover, Germany
2.Leibniz Univ Hannover, Inst Inorgan Chem, D-30167 Hannover, Germany
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Bux, Helge,Feldhoff, Armin,Cravillon, Janosch,et al. Oriented Zeolitic Imidazolate Framework-8 Membrane with Sharp H-2/C3H8 Molecular Sieve Separation[J]. CHEMISTRY OF MATERIALS,2011,23(8):2262-2269.
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