期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 8, 期 50, 页码 18413-18419出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c05294
关键词
covalent organic frameworks; carbon dioxide; ionic liquids; solvent-free; catalysis
资金
- National Natural Science Foundation of China [21773058, U1704251, 21733011]
- China Postdoctoral Science Foundation [2017M622349, 2018T110728]
- Program for Science & Technology Innovation Talents, Universities of Henan Province [20HASTIT005]
- High Performance Computing Center of Henan Normal University
Ionic liquids (ILs) have gained significant attention in past decades due to their important characteristics and superior application potential. However, liquid nature is a big hindrance to the further development and applications of ILs. In this work, we report a simple acid-base neutralization strategy used to graft imidazolium salts into covalent organic frameworks (COFs) for the catalysis of CO2 chemical fixation and the Knoevenagel condensation reaction. It is found that in comparison with liquid IL, the assynthesized material shows much better catalytic ability for the above reactions. In addition, both of the reactions proceed efficiently under solvent-free conditions, which provides a green and sustainable way in potential applications.
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