Enhanced Xe/Kr separation via the pore size confinement effect of a microporous thorium-based metal–organic framework

Pinhong Mi; Lixi Chen; Xiaoqi Li; Xia Wang; Guodong Li; Liwei Cheng; Junhao Lu; Hailong Zhang; Yanlong Wang; Shuao Wang

doi:10.1039/D2DT01903E

Enhanced Xe/Kr separation via the pore size confinement effect of a microporous thorium-based metal–organic framework†

Pinhong Mi,‡^a Lixi Chen,‡^a Xiaoqi Li,^a Xia Wang,^a Guodong Li,^a Liwei Cheng,^a Junhao Lu,^a Hailong Zhang,^a Yanlong Wang*^a and Shuao Wang

*^a

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^a State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
E-mail: shuaowang@suda.edu.cn, ylwang@suda.edu.cn

Abstract

A three-dimensional microporous thorium-based metal–organic framework (Th-BPYDC-I) that features a suitable pore size for Xe was prepared. The pore confinement effect enables high Xe uptake (2.15 mmol g⁻¹) and good Xe/Kr selectivity (7.49). This work highlights the critical role of the size-matching rule in noble gas separation and provides an alternative option for Xe/Kr separation.

Dalton Transactions

Enhanced Xe/Kr separation via the pore size confinement effect of a microporous thorium-based metal–organic framework†

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Enhanced Xe/Kr separation via the pore size confinement effect of a microporous thorium-based metal–organic framework

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