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231224s2014 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la501794z
|2 doi
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|a eng
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1 |
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|a Yuan, Min-Hao
|e verfasserin
|4 aut
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|a Glow discharge plasma-assisted template removal of SBA-15 at ambient temperature for high surface area, high silanol density, and enhanced CO₂ adsorption capacity
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|c 2014
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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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| 500 |
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|a Date Completed 22.04.2015
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|a Date Revised 15.07.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Glow discharge plasma was successfully applied for effective removal of the organic template P-123 from SBA-15 ordered mesoporous silica at near-room-temperature (below 50 °C) and in a short operation time (2 h). The as-made SBA-15 treated with glow discharge exhibited a larger surface area of 1025 m(2) g(-1) with larger pores and microspore volume as compared with that of conventional calcination (550 °C and 5 h, 827 m(2) g(-1)). In addition to less structural shrinkage, the plasma-prepared SBA-15 showed significantly increased silanol density from 5.4 to 6.6-7.6 mmol g(-1), which led directly to higher amine loading from 1.8 to 3.0 mmol g(-1). Consequently, the plasma-treated sample showed 77% more CO2 capacity and 60% higher CO2/N2 selectivity than the conventionally treated sample at 0.15 bar and 25 °C. The advantage of using glow discharge plasma for low-temperature template removal for achieving enhanced performance for CO2 adsorption is clearly demonstrated
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|a Journal Article
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|a Wang, Lifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Ralph T
|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 30(2014), 27 vom: 15. Juli, Seite 8124-30
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|g pages:8124-30
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