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学科主题物理化学
Metal-Substituted Zeolitic Imidazolate Framework ZIF-108: Gas-Sorption and Membrane-Separation Properties
Ban, Yujie1,2; Li, Yanshuo1; Peng, Yuan1,2; Jin, Hua1,2; Jiao, Wenmei1,2; Liu, Xinlei1; Yang, Weishen1; Li YS(李砚硕); Yang WS(杨维慎)
关键词Adsorption Membranes Metal-organic Frameworks Zeolite Analogues Zinc
刊名CHEMISTRY-A EUROPEAN JOURNAL
2014-09-01
DOI10.1002/chem.201402287
20期:36页:11402-11409
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]MIXED-MATRIX MEMBRANES ; SELECTIVE CO2 UPTAKE ; ORGANIC FRAMEWORKS ; LIGAND-EXCHANGE ; SINGLE-CRYSTAL ; PROPYLENE/PROPANE SEPARATION ; POSTSYNTHETIC LIGAND ; LINKER SYNTHESIS ; DRUG-DELIVERY ; MOF MEMBRANES
英文摘要A series of dual-metal zeolitic imidazolate framework (ZIF) crystals with SOD and RHO topologies was synthesised by metal substitution from ZIF-108 (Zn(2-nitroimidazolate)(2), SOD topology) as the parent material. This was based on the concept that metal substitution of ZIF-108 requires a much lower activation energy than homogenous nucleation owing to the metastability of ZIF-108. In-depth investigations of the formation processes of the daughter ZIFs indicated that the transformation of ZIF-108 is a dissolution/heterogeneous nucleation process. Typical isostructural Co2+ substitution mainly occurs at the outer surface of ZIF-108 and results in a core-shell structure. On the contrary, the Cu2+-substituted ZIF has a RHO topology with a homogeneous distribution of Cu2+ ions in the structure. Substitution with Ni2+ resulted in a remarkable enhancement in adsorption selectivity toward CO2 over N-2 by a factor of up to 227. With Co2+-substituted nanoparticles as inorganic filler, a mixed matrix membrane based on polysulfone displayed greatly improved performance in the separation of H-2/CH4, CO2/N-2 and CO2/CH4.
语种英语
WOS记录号WOS:000341629800022
引用统计
被引频次:33[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/321008/144541
专题中国科学院大连化学物理研究所
通讯作者Li YS(李砚硕); Yang WS(杨维慎)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Ban, Yujie,Li, Yanshuo,Peng, Yuan,et al. Metal-Substituted Zeolitic Imidazolate Framework ZIF-108: Gas-Sorption and Membrane-Separation Properties[J]. CHEMISTRY-A EUROPEAN JOURNAL,2014,20(36):11402-11409.
APA Ban, Yujie.,Li, Yanshuo.,Peng, Yuan.,Jin, Hua.,Jiao, Wenmei.,...&杨维慎.(2014).Metal-Substituted Zeolitic Imidazolate Framework ZIF-108: Gas-Sorption and Membrane-Separation Properties.CHEMISTRY-A EUROPEAN JOURNAL,20(36),11402-11409.
MLA Ban, Yujie,et al."Metal-Substituted Zeolitic Imidazolate Framework ZIF-108: Gas-Sorption and Membrane-Separation Properties".CHEMISTRY-A EUROPEAN JOURNAL 20.36(2014):11402-11409.
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