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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b00147
|2 doi
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|a pubmed24n0989.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Shan
|e verfasserin
|4 aut
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|a Tuning Both Surface Chemistry and Porous Properties of Polymer-Derived Porous Carbons for High-Performance Gas Adsorption
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 23.07.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this study, we have prepared novel pyrrole-formaldehyde polymers through polymerizing pyrrole and formaldehyde in the mixture solvent of water and ethanol by using hydrochloric acid as a catalyst. The as-synthesized polymers possess a nitrogen content of 6.7 atom % and are composed of spherical particles with the diameter of approximately 1-3 μm. A series of nitrogen-doped porous carbons with high specific surface areas (680-2340 m2 g-1) were successfully obtained through the activation treatment of the polymer spheres. The porous properties and surface chemistry of the as-prepared porous carbons are tuned by choosing different activating agents and changing the activation temperature. The morphology, porous properties, and chemical composition of the obtained nitrogen-doped porous carbons are revealed by various characterization methods, such as scanning electron microscopy, nitrogen sorption measurement, and X-ray photoelectron spectroscopy. The as-prepared nitrogen-doped porous carbons as gas adsorbents display high carbon dioxide uptake capacities of 3.80-5.81 mmol g-1 at 273 K and 1.0 bar. They also show excellent carbon dioxide adsorption capacities (2.40-3.37 mmol g-1 at 1.0 bar) and good gas selectivities (CO2/N2 selectivities of 16.9-70.2) at 298 K
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|a Journal Article
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|a Sui, Zhu-Yin
|e verfasserin
|4 aut
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|a Wang, Tian-Xiong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Hang-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yu-Wen
|e verfasserin
|4 aut
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| 700 |
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|a Han, Bao-Hang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 35(2019), 24 vom: 18. Juni, Seite 7650-7658
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:24
|g day:18
|g month:06
|g pages:7650-7658
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|u http://dx.doi.org/10.1021/acs.langmuir.9b00147
|3 Volltext
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