期刊
COORDINATION CHEMISTRY REVIEWS
卷 437, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2021.213794
关键词
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资金
- National Research Foundation Singapore [NRF2018-NRF-ANR007 POCEMON]
- Ministry of Education - Singapore [MOE AcRF Tier 1 R-279-000-540-114, Tier 2 MOE2018-T2-2-148, MOE2019-T2-1-093]
- Agency for Science, Technology and Research [IRG A1783c0015, IAF-PP A1789a0024]
The review focuses on the state-of-the-art polycrystalline membranes made from zeolites and metal-organic frameworks (MOFs), highlighting their crystalline structure, uniform microporosity, and molecular-sieving capacity. Transport properties between dense polymeric membranes and porous polycrystalline membranes are compared, and the performance of polycrystalline zeolite/MOF membranes in various applications is evaluated. Additionally, a comparison between zeolite membranes and MOF membranes in terms of synthesis and chemical tunability is presented.
Porous and crystalline materials such as zeolites and metal-organic frameworks (MOFs) have expanded the scope of membrane materials. In this review, we focus on the state-of-the-art polycrystalline membranes fabricated from these materials, as well as their crystalline structure, uniform microporosity and molecular-sieving capacity. We first discuss the basics of membrane-based separations and compare the transport properties between dense polymeric membranes and porous polycrystalline membranes. Subsequently, we evaluate the performance of polycrystalline zeolite/MOF membranes in applications such as gas separation, organic solvent nanofiltration, water purification, ion separation and chiral separation. Finally, we present a comparison between zeolite membranes and MOF membranes in terms of synthesis and chemical tunability. (C) 2021 Elsevier B.V. All rights reserved.
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