Separation of Acetylene from Carbon Dioxide and Ethylene by a Water-Stable Microporous Metal-Organic Framework with Aligned Imidazolium Groups inside the Channels

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Title
Separation of Acetylene from Carbon Dioxide and Ethylene by a Water-Stable Microporous Metal-Organic Framework with Aligned Imidazolium Groups inside the Channels
Author(s)
Jaechul Lee; Chuah, CY; Kim, J; Youngsuk Kim; Nakeun Ko; Seo, YY; Kimoon Kim; Bae, TH; Eunsung Lee
Publication Date
2018-06
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.57, no.26, pp.7869 - 7873
Publisher
WILEY-V C H VERLAG GMBH
Abstract
Separation of acetylene from carbon dioxide and ethylene is challenging in view of their similar sizes and physical properties. Metal-organic frameworks (MOFs) in general are strong candidates for these separations owing to the presence of functional pore surfaces that can selectively capture a specific target molecule. Here, we report a novel 3D microporous cationic framework named JCM-1. This structure possesses imidazolium functional groups on the pore surfaces and pyrazolate as a metal binding group, which is well known to form strong metal-to-ligand bonds. The selective sorption of acetylene over carbon dioxide and ethylene in JCM-1 was successfully demonstrated by equilibrium gas adsorption analysis as well as dynamic breakthrough measurement. Furthermore, its excellent hydrolytic stability makes the separation processes highly recyclable without a substantial loss in acetylene uptake capacity. C. 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/5785
ISSN
1433-7851
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > Journal Papers (저널논문)
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