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Metal-organic framework nanosheets as building blocks for molecular sieving membranes
Peng, Yuan1,2; Li, Yanshuo1; Ban, Yujie1,2; Jin, Hua1,2; Jiao, Wenmei1,2; Liu, Xinlei1; Yang, Weishen1
Source PublicationSCIENCE
2014-12-12
DOI10.1126/science.1254227
Volume346Issue:6215Pages:1356-1359
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology
WOS SubjectMultidisciplinary Sciences
WOS Research AreaScience & Technology - Other Topics
WOS KeywordGRAPHENE OXIDE MEMBRANES ; HYDROGEN SEPARATION ; COORDINATION POLYMER ; HIGH-SELECTIVITY ; ULTRATHIN
AbstractLayered metal-organic frameworks would be a diverse source of crystalline sheets with nanometer thickness for molecular sieving if they could be exfoliated, but there is a challenge in retaining the morphological and structural integrity. We report the preparation of 1-nanometer-thick sheets with large lateral area and high crystallinity from layered MOFs. They are used as building blocks for ultrathin molecular sieve membranes, which achieve hydrogen gas (H-2) permeance of up to several thousand gas permeation units (GPUs) with H-2/CO2 selectivity greater than 200. We found an unusual proportional relationship between H-2 permeance and H-2 selectivity for the membranes, and achieved a simultaneous increase in both permeance and selectivity by suppressing lamellar stacking of the nanosheets.
Language英语
WOS IDWOS:000346189600048
Citation statistics
Cited Times:551[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145475
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
Peng, Yuan,Li, Yanshuo,Ban, Yujie,et al. Metal-organic framework nanosheets as building blocks for molecular sieving membranes[J]. SCIENCE,2014,346(6215):1356-1359.
APA Peng, Yuan.,Li, Yanshuo.,Ban, Yujie.,Jin, Hua.,Jiao, Wenmei.,...&Yang, Weishen.(2014).Metal-organic framework nanosheets as building blocks for molecular sieving membranes.SCIENCE,346(6215),1356-1359.
MLA Peng, Yuan,et al."Metal-organic framework nanosheets as building blocks for molecular sieving membranes".SCIENCE 346.6215(2014):1356-1359.
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