Journal
NANO RESEARCH
Volume 14, Issue 2, Pages 518-525Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-019-2571-9
Keywords
metal-organic framework (MOFs); hydrogen isotope; separation; breakthrough experiments
Categories
Funding
- Strategic Priority Research Program of CAS [XDB20000000]
- Key Research Program of Frontier Sciences, CAS [QYZDB-SSW-SLH019]
- Natural Nature Science Foundation of China [21771177, 51603206, 21203117]
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FJI-Y11 is a three-dimensional copper metal-organic framework with rare chabazite (CHA) topology, showing high water stability and efficiency in hydrogen isotope separation. It exhibits excellent structural stability and regenerated performance after multiple cycles of breakthrough experiments.
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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