期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 24, 页码 8145-8150出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201903600
关键词
adsorption; dedecaborate; gas separation; metal-organic frameworks; porous materials
资金
- Natural Science Foundation of China [21725603]
- China Postdoctoral Science Foundation [2018M642434]
- National Program for Support of Top-notch Young Professionals
A novel 3D metal-organic framework BSF-1 based on the closo-dodecaborate cluster [B12H12](2-) was readily prepared at room temperature by supramolecular assembly of CuB12H12 and 1,2-bis(4-pyridyl)acetylene. The permanent microporous structure was studied by X-ray crystallography, powder X-ray diffraction, IR spectroscopy, thermogravimetric analysis, and gas sorption. The experimental and theoretical study of the gas sorption behavior of BSF-1 for N-2, C2H2, C2H4, CO2, C3H8, C2H6, and CH4 indicated excellent separation selectivities for C3H8/CH4, C2H6/CH4, and C2H2/CH4 as well as moderately high separation selectivities for C2H2/C2H4, C2H2/CO2, and CO2/CH4. Moreover, the practical separation performance of C3H8/CH4 and C2H6/CH4 was confirmed by dynamic breakthrough experiments. The good cyclability and high water/thermal stability render it suitable for real industrial applications.
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