Influence of Branching of Polythiophenes on the Microporosity
| Autor: | Eric Nies, Guy Koeckelberghs, Ivo F.J. Vankelecom, Cédric Van Goethem, Mikael Monga Mulunda, Zidan Zhang |
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| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
controlled polymerization
Materials science Polymers and Plastics Polymer Science NANOFILTRATION 02 engineering and technology 010402 general chemistry Branching (polymer chemistry) MEMBRANES 01 natural sciences Polymer chemistry Materials Chemistry conjugated polymers microporosity Physical and Theoretical Chemistry Science & Technology Organic Chemistry gas separation membranes 021001 nanoscience & nanotechnology Condensed Matter Physics 0104 chemical sciences Chemical physics Physical Sciences branched polythiophene POLYMERS 0210 nano-technology |
| Popis: | © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim A chain growth polymerization of a branched polythiophene (BT) using a Pd(Ruphos) catalyst, as a promising route to synthesize microporous conjugated polymers with well-defined structures is reported. From N2 adsorptions/desorption isotherm measurements, a Brunauer–Emmett–Teller surface area of 40.7 m2 g−1 is calculated for the BT, significantly higher than that of the linear poly(3-hexylthiophene) (P3HT) (25.7 m2 g−1). The same trend is confirmed by simulations of the two polymer structures, from which a geometric surface area (SAgeo) of 140 ± 15.8 m2 g−1 is calculated for the BT, much more higher than for the P3HT with a SAgeo of 6.7 ± 7.1 m2 g−1. Moreover, the BT is soluble in common organic solvent and is readily processed in membrane with a CO2/N2 selectivity up to 24. ispartof: MACROMOLECULAR CHEMISTRY AND PHYSICS vol:219 issue:12 status: published |
| Databáze: | OpenAIRE |
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