Journal article
Porosity control in nanoporous carbide-derived carbon by oxidation in air and carbon dioxide
Journal of solid state chemistry, v 182(7), pp 1733-1741
2009
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Carbide-derived carbons (CDC) allow a precise control over the pore size through the selection of the carbide precursor and varying of the synthesis conditions. However, their pore volume is limited by the carbide stoichiometry. While activation of carbons derived from various organic precursors has been widely studied, this process may similarly be able to increase the pore volume and specific surface area of CDC. Oxidation of carbide-derived carbon in air and CO
2 at different temperatures and times allows for significant increase in pore volume and specific surface area as well as control over average pore size with subnanometer accuracy. The effect of activation and associated changes in the pore volume and surface area on the hydrogen uptake are also discussed.
Carbide-derived carbons (CDC) provide great potential for sorption of toxicants and gas storage applications. Activation of CDC in air and CO
2 at different temperatures and times is applied in order to maximize pore volume and specific surface area, and control the average pore size with subnanometer accuracy.
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Details
- Title
- Porosity control in nanoporous carbide-derived carbon by oxidation in air and carbon dioxide
- Creators
- S Osswald - Department of Materials Science and Engineering, A. J. Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USAC Portet - Department of Materials Science and Engineering, A. J. Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USAY Gogotsi - Department of Materials Science and Engineering, A. J. Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USAG Laudisio - Department of Materials Science and Engineering, A. J. Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USAJ.P Singer - Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USAJ.E Fischer - Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USAV.V Sokolov - Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg 194021, RussiaJ.A Kukushkina - Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg 194021, RussiaA.E Kravchik - Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg 194021, Russia
- Publication Details
- Journal of solid state chemistry, v 182(7), pp 1733-1741
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000267717600020
- Scopus ID
- 2-s2.0-67649128461
- Other Identifier
- 991014969866804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Inorganic & Nuclear
- Chemistry, Physical