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Preparation of Micro-/Macroporous Carbons and Their Gas Sorption Properties
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  • Preparation of Micro-/Macroporous Carbons and Their Gas Sorption Properties
  • Preparation of Micro-/Macroporous Carbons and Their Gas Sorption Properties
저자명
Hwang. Yong-Kyung,Shin. Hye-Seon,Hong. Jin-Yeon,Huh. Seong
간행물명
Bulletin of the Korean Chemical Society
권/호정보
2014년|35권 2호|pp.377-382 (6 pages)
발행정보
대한화학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Micro-/macroporous carbons (MMCs) were prepared using a hollow mesoporous silica capsule (HMSC) as a sacrificial hard template. The carbonization process after the infiltration of furfuryl alcohol into the template-free HMSC material afforded MMC materials in high yield. The hard template HMSC could be removed by HF etching without deteriorating the structure of MMC. The MMC materials were fully characterized by SEM, TEM, PXRD, XPS, and Raman spectroscopy. The replication processes were so successful that MMCs exhibited a hollow capsular structure with multimodal microporosity. Detailed textural properties of MMC materials were investigated by volumetric $N_2$ adsorption-desorption analysis at 77 K. To explore the gas sorption abilities of MMCs for other gases, $H_2$ and $CO_2$ sorption analyses were also performed at various temperatures. The multimodal MMC materials were found to be good sorbents for both $H_2$ and $CO_2$ at low pressure.