Highly effective H2/D2 separation in a stable Cu-based metal-organic framework

  • Yanan Si
  • Xiang HeEmail author
  • Jie Jiang
  • Zhiming Duan
  • Wenjing Wang
  • Daqiang YuanEmail author
Research Article


A three-dimensional copper metal—organic framework with the rare chabazite (CHA) topology namely FJI-Y11 has been constructed with flexibly carboxylic ligand 5,5′-[(1,4-phenylenebis(methylene))bis(oxy)]diisophthalic acid (H4L). FJI-Y11 exhibits high water stability with the pH range from 2 to 12 at temperature as high as 373 K. Importantly, FJI-Y11 also shows high efficiency of hydrogen isotope separation using dynamic column breakthrough experiments under atmospheric pressure at 77 K. Attributed to its excellent structural stability, FJI-Y11 possesses good regenerated performance and maintains high separation efficiency after three cycles of breakthrough experiments.


metal—organic framework (MOFs) hydrogen isotope separation breakthrough experiments 


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This work was financially supported by the Strategic Priority Research Program of CAS (No. XDB20000000), the Key Research Program of Frontier Sciences, CAS (No. QYZDB-SSW-SLH019), and the Natural Nature Science Foundation of China (Nos. 21771177, 51603206 and 21203117).

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Highly effective H2/D2 separation in a stable Cu-based metal-organic framework
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Authors and Affiliations

  1. 1.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouChina
  2. 2.Department of Chemistry, College of SciencesShanghai UniversityShanghaiChina
  3. 3.University of the Chinese Academy of SciencesBeijingChina

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