Contracting pore channels of a magnesium-based metal–organic framework by decorating methyl groups for effective Xe/Kr separation

Liangjun Li; Xu Zhang; Wenli Xu; Mengwei Guo; Qingying Liu; Fangru Li; Tao Liu; Tao Xing; Zhi Li; Mingqing Wang; Mingbo Wu

doi:10.1039/D3DT04001A

Contracting pore channels of a magnesium-based metal–organic framework by decorating methyl groups for effective Xe/Kr separation†

Liangjun Li,

*^a Xu Zhang,^ab Wenli Xu,^ab Mengwei Guo,^ab Qingying Liu,^ab Fangru Li,^ab Tao Liu,^cd Tao Xing,^cd Zhi Li,^cd Mingqing Wang^cd and Mingbo Wu

*^abd

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* Corresponding authors

^a College of New Energy, China University of Petroleum (East China), Qingdao, China
E-mail: lilj@upc.edu.cn

^b College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, China
E-mail: wumb@upc.edu.cn

^c Research and Innovation Centre of New Energy, Shandong Energy Group., Co. Ltd, Jinan, China

^d National Engineering Research Centre of Coal Gasification and Coal-Based Advanced Materials, China

Abstract

A new magnesium-based metal–organic framework with unprecedented short-chain secondary building units and ultra-micropore channels approaching the kinetic diameters of Xe is fabricated by decorating methyl groups on ligands. Due to the contracted pores, this MOF exhibits very high selectivity values for Xe/Kr, which ranks it among the top porous absorbents.

Dalton Transactions

Contracting pore channels of a magnesium-based metal–organic framework by decorating methyl groups for effective Xe/Kr separation†

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Contracting pore channels of a magnesium-based metal–organic framework by decorating methyl groups for effective Xe/Kr separation

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