Microporous polycarbazole with high specific surface area for gas storage and separation |
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Authors: | Chen Qi Luo Min Hammershøj Peter Zhou Ding Han Ying Laursen Bo Wegge Yan Chao-Guo Han Bao-Hang |
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Institution: | National Center for Nanoscience and Technology, Beijing 100190, China. |
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Abstract: | Microporous polycarbazole via straightforward carbazole-based oxidative coupling polymerization is reported. The synthesis route exhibits cost-effective advantages, which are essential for scale-up preparation. The Brunauer-Emmett-Teller specific surface area for obtained polymer is up to 2220 m(2) g(-1). Gas (H(2) and CO(2)) adsorption isotherms show that its hydrogen storage can reach to 2.80 wt % (1.0 bar and 77 K) and the uptake capacity for carbon dioxide is up to 21.2 wt % (1.0 bar and 273 K), which show a promising potential for clean energy application and environmental field. Furthermore, the high selectivity toward CO(2) over N(2) and CH(4) makes the obtained polymer possess potential application in gas separation. |
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