期刊
NANOMATERIALS
卷 9, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/nano9071020
关键词
porous organic polymers; amine modification; CO2 separation; adsorption mechanism; chemisorption of CO2
类别
资金
- Aforsk research grant, STINT (The Swedish Foundation for International Cooperation in Research and Higher Education) initiation grant
- Natural Science Foundation of Jiangsu Province [BK20170994]
- Natural Science Fund for Colleges and Universities in Jiangsu Province [17KJB430018]
The cross-coupling reaction of 1,3,5-triethynylbenzene with terephthaloyl chloride gives a novel ynone-linked porous organic polymer. Tethering alkyl amine species on the polymer induces chemisorption of CO2 as revealed by the studies of ex situ infrared spectroscopy. By tuning the amine loading content on the polymer, relatively high CO2 adsorption capacities, high CO2-over-N-2 selectivity, and moderate isosteric heat (Q(st)) of adsorption of CO2 can be achieved. Such amine-modified polymers with balanced physisorption and chemisorption of CO2 are ideal sorbents for post-combustion capture of CO2 offering both high separation and high energy efficiencies.
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