期刊
INORGANIC CHEMISTRY FRONTIERS
卷 9, 期 20, 页码 5140-5147出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qi00890d
关键词
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资金
- Natural Science Foundation of China [21908193]
- Jinhua Industrial Key Project [2021A22648]
- Open Research Fund of Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University [KLMEACM202111]
- National Natural Science Foundation of China [21871231]
- Special Funds for Basic Scientific Research of Zhejiang University [2019QNA3010, K20210335]
A novel microporous boron cluster pillared metal-organic framework BSF-10 was synthesized and showed high selectivity and capacity for the separation of acetylene from carbon dioxide and ethylene.
The separation of acetylene (C2H2) from carbon dioxide (CO2) and ethylene (C2H4) is important in industry but challenging due to their similar physical properties. Herein, a novel microporous boron cluster pillared metal-organic framework BSF-10 was synthesized with ligand inclusion for efficient C2H2/CO2 and C2H2/C2H4 adsorption separation. The free dipyridyl ligands in the large pore reduce the porosity of BSF-10 but stabilize the framework. The available narrow pores without inclusion of ligands are suited for the accommodation of C2H2 by cooperative dihydrogen bonding. High C2H2 capacity and high C2H2 selectivity over CO2 and C2H4 are achieved. The practical separation ability was confirmed by the breakthroughs using C2H2/CO2 and C2H2/C2H4 gas mixtures with good recyclability. The dynamic separation factor of 2.8 for the equimolar C2H2/CO2 mixture is comparable to those of many benchmark materials.
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