Ultrahigh effective H2/D2 separation in an ultramicroporous metal–organic framework material through quantum sieving

Dawei Cao; Hongliang Huang; Youshi Lan; Xiaojun Chen; Qingyuan Yang; Dahuan Liu; Yu Gong; Chengjian Xiao; Chongli Zhong; Shuming Peng

doi:10.1039/C8TA05707A

Ultrahigh effective H₂/D₂ separation in an ultramicroporous metal–organic framework material through quantum sieving†

Dawei Cao,

‡^ab Hongliang Huang,‡^c Youshi Lan,^d Xiaojun Chen,^a Qingyuan Yang,

^d Dahuan Liu,^d Yu Gong,^a Chengjian Xiao,^a Chongli Zhong*^c and Shuming Peng*^a

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* Corresponding authors

^a Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, Sichuan, China
E-mail: pengshuming@caep.cn

^b Department of Engineering Physics, Tsinghua University, Beijing 100084, China

^c State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China
E-mail: zhongchongli@tipu.edu.cn

^d State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

Abstract

An ultramicroporous MOF material, {[Fe(OH)(H₂bta)](H₂O)}_n, was diligently selected for the experimental investigations of ultralow-temperature separation of H₂/D₂ through quantum sieving. With an extreme two-dimensional confinement experienced by hydrogen molecules, an extraordinary separation factor as high as 41.4 ± 0.4 at 20 K was for the first time obtained from experiment.

Journal of Materials Chemistry A

Ultrahigh effective H₂/D₂ separation in an ultramicroporous metal–organic framework material through quantum sieving†

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Ultrahigh effective H₂/D₂ separation in an ultramicroporous metal–organic framework material through quantum sieving

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Journal of Materials Chemistry A