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Influence of Nitrogen moieties on CO2 capture of Carbon Aerogel

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2015, 16(1), pp.57-61
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

전다희 1 Byung-Gak Min 2 오종갑 3 Changwoon Nah 4 PARK SOOJIN 1

1인하대학교
2한국교통대학교
3송원대학교
4전북대학교

Accredited

ABSTRACT

Carbon aerogel is a porous carbon material possessing high porosity and high specific surfacearea. Nitrogen doping reduced the specific surface area and micropores, but it furnishedbasic sites to improve the CO2 selectivity. In this work, N-doped carbon aerogels were preparedwith different ratios of resorcinol/melamine by using the sol-gel method. The morphologicalproperties were characterized by scanning electron microscopy (SEM). Nitrogencontent was studied by X-ray photoelectron spectroscopy (XPS) and the specific surfacearea and micropore volume were analyzed by N2 adsorption-desorption isotherms at 77 K. The CO2 adsorption capacity was investigated by CO2 adsorption-desorption isotherms at298 K and 1 bar. Melamine containing N-doped CAs showed a high nitrogen content (5.54wt.%). The prepared N-doped CAs exhibited a high CO2 capture capacity of 118.77 mg/g (atresorcinol/melamine = 1:0.3). Therefore, we confirmed that the CO2 adsorption capacity wasstrongly affected by the nitrogen moieties.

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-03)

Total Citation Counts(KCI+WOS) (20) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (31) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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