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Template-free synthesis of porous carbon from triazine based polymers and their use in iodine adsorption and CO2 capture

A series of novel triazine-containing pore-tunable carbon materials (NT-POP@800-1-6), which was synthesized via pyrolysis of porous organic polymers (POPs) without any templates. NT-POP@800-1-6 possess moderate BET surface areas of 475–736 m 2  g −1 , have permanent porosity and plenty of nitrogen u...

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Published in:Scientific reports 2018-01, Vol.8 (1), p.1-9, Article 1867
Main Authors: Yao, Chan, Li, Guoyan, Wang, Jiku, Xu, Yanhong, Chang, Limin
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description A series of novel triazine-containing pore-tunable carbon materials (NT-POP@800-1-6), which was synthesized via pyrolysis of porous organic polymers (POPs) without any templates. NT-POP@800-1-6 possess moderate BET surface areas of 475–736 m 2  g −1 , have permanent porosity and plenty of nitrogen units in the skeletons as effective sorption sites, and display relatively rapid guest uptake of 56–192 wt% in iodine vapour in the first 4 h. In addition, all the samples exhibit the outstanding CO 2 adsorption capacity of 2.83–3.96 mmol g −1 at 273 K and 1.05 bar. Furthermore, NT-POP@800-1-6 show good selectivity ratios of 21.2–36.9 and 3.3–7.5 for CO 2 /N 2 or CH 4 /N 2 , respectively. We believe that our new building block design provides a general strategy for the construction of triazine-containing carbon materials from various extended building blocks, thereby greatly expanding the range of applicable molecules.
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subjects 140/131
639/638/455/941
639/638/455/954
Adsorption
Carbon
Carbon dioxide
Construction
Humanities and Social Sciences
Iodine
multidisciplinary
Polymers
Porosity
Pyrolysis
Science
Science (multidisciplinary)
Triazine
title Template-free synthesis of porous carbon from triazine based polymers and their use in iodine adsorption and CO2 capture
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