Thiophene-based conjugated microporous polymers: preparation, porosity, exceptional carbon dioxide absorption and selectivity†
Abstract
The preparation and sorption properties of thiophene-based conjugated microporous polymers (CMPs) have been reported. The BET surface area of these porous polymers varied between 622 and 911 m2 g−1, and SCMP-COOH@1 showed an excellent CO2 uptake capacity of 817 mg g−1 at 318 K under 60 bar pressure. In addition, SCMPs show good adsorption selectivity for CO2 over N2 and CH4.