Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 10, Pages 3840-3845Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201914548
Keywords
gas separation; hydrogen-bonded organic frameworks; membranes; pressure regulation; solution processing
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Funding
- National Natural Science Foundation of China [21501198, 21601205, 21771193, 21875285]
- Taishan Scholar Foundation [ts201511019]
- Fundamental Research Funds for the Central Universities [18CX02047A, 18CX07001A, 18CX05020A]
- Key Research and Development Projects of Shandong Province [2019JZZY010331]
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Ordered and flexible porous frameworks with solution processability are highly desirable to fabricate continuous and large-scale membranes for the efficient gas separation. Herein, the first microporous hydrogen-bonded organic framework (HOF) membrane has been fabricated by an optimized solution-processing technique. The framework exhibits the superior stability because of the abundant hydrogen bonds and strong pi-pi interactions. Thanks to the flexible HOF structure, the membrane possesses the unprecedented pressure-responsive H-2/N-2 separation performance. Furthermore, the scratched membrane can be healed by the treatment of solvent vapor, achieving the recovery of separation performance.
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