A unique 3D microporous MOF constructed by cross-linking 1D coordination polymer chains for effectively selective separation of CO2/CH4 and C2H2/CH4

A unique 3D microporous MOF material [Cu(SiF6)(sdi)2]·solvents was rationally designed and successfully constructed by cross-linking 1D coordination polymer chains. Gas separation experiments revealed that the MOF can effectively selective separation of CO2/CH4 and C2H2/CH4. [Display omitted] Select...

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Bibliographic Details
Published in:Chinese chemical letters 2021-03, Vol.32 (3), p.1153-1156
Main Authors: Xia, Yu-Pei, Wang, Chen-Xue, Yu, Mei-Hui, Bu, Xian-He
Format: Article
Language:English
Subjects:
Cross-linking
Dense functional active site
Metal-organic framework
Selective separation
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Summary:A unique 3D microporous MOF material [Cu(SiF6)(sdi)2]·solvents was rationally designed and successfully constructed by cross-linking 1D coordination polymer chains. Gas separation experiments revealed that the MOF can effectively selective separation of CO2/CH4 and C2H2/CH4. [Display omitted] Selective separation of CO2/CH4 and C2H2/CH4 are promising for their high-purity industrial demand and scientific research on account of the similar molecular radius and physical properties. In this work, a unique 3D microporous MOF material [Cu(SiF6)(sdi)2]·solvents (1, sdi = 1,1′-sulfonyldiimidazole) was successfully constructed by cross-linking 1D coordination polymer chains. The dense functional active sites on the inner walls of the channel of 1a can provide strong binding affinities to CO2, C2H2, and thus effectively improve the gas separation performance of CO2/CH4 and C2H2/CH4.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2020.09.014