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Highly effective H2/D2 separation in a stable Cu-based metal-organic framework |
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| Authors: | Si Yanan He Xiang Jiang Jie Duan Zhiming Wang Wenjing Yuan Daqiang |
| Affiliation: | 1.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China ;2.Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China ;3.University of the Chinese Academy of Sciences, Beijing, 100049, China ; |
| Abstract: | 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.  |
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