Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 63, Pages 9797-9800Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc05188j
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Funding
- National Natural Science Foundation of China [51263012, 51262019, 51462021, 51403092, 21303038]
- Gansu Provincial Science Fund for Distinguished Young Scholars [1308RJDA012]
- Support Program for Hongliu Young Teachers [Q201411]
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Two conjugated microporous polymers containing thiophene-moieties (SCMPs) were obtained by the polymerization of 3,3',5,5'-tetrabromo-2,2'-bithiophene and ethynylbenzenemonomers through the palladium-catalyzed Sonogashira-Hagihara crosscoupling reaction. The resulting SCMPs show high thermal stability with a decomposition temperature above 300 degrees C. Scanning electron microscopy images show that the resulting SCMPs formed as an aggregation composed of micrometer-sized SCMP spheres, in which honeycomb-like porous spheres with penetrated pores on the surface were observed. Taking advantage of such a unique honeycomb-like porous morphology as well as p-conjugated structures, the SCMPs show ultrahigh absorption performance for iodine vapour with an uptake of up to 345 wt% obtained, which is the highest value reported to date for CMPs, thus making the resulting SCMPs ideal absorbent materials for reversible iodine capture to address environmental issues.
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