Journal
CHEMSUSCHEM
Volume 7, Issue 3, Pages 734-737Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201301163
Keywords
carbon dioxide fixation; CO2; N-2 separation; metal-organic framework; porous materials; stability
Funding
- National Key Basic Research Program of China [2014CB931803]
- National Natural Science Foundation of China [21371162, 51301159]
- Research Fund for the Doctoral Program of Higher Education of China [20133402120020]
- Fundamental Research Funds for the Central Universities [WK2060190026]
- Hundred Talent Program from Chinese Academy of Sciences
- University of Science and Technology of China (USTC)
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Different alkylamine molecules were post-synthetically tethered to the unsaturated Cr-III centers in the metal-organic framework MIL-101. The resultant metal-organic frameworks show almost no N-2 adsorption with significantly enhanced CO2 capture under ambient conditions as a result of the interaction between amine groups and CO2 molecules. Given the extraordinary stability, high CO2 uptake, ultrahigh CO2/N-2 selectivity, and mild regeneration energy, MIL-101-diethylenetriamine holds exceptional promise for post-combustion CO2 capture and CO2/N-2 separation.
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