Abstract

Nanoporous carbide-derived carbon (CDC) was synthesized starting with Ti2AlC powders via chlorination in the 400−1200 °C temperature range. X-ray diffraction, Raman spectroscopy, and transmission electron microscopy (TEM) confirmed a structural dependence on chlorination temperature. At low chlorination temperatures, the CDC structure appeared primarily amorphous. Graphitic ribbons, as well as sharply bent graphitic structures, were observed at 800 °C. As the chlorination temperature was further increased to 1000 °C, the width of the graphitic ribbon increased. No significant increase in graphitization occurred between 1000 and 1200 °C. Sorption measurements determined the presence of micropores (0.40−2.0 nm) after chlorination at 400 °C; chlorination at 800 °C or higher resulted in both micro- and mesopores (0.35 to >7 nm).

Keywords

Raman spectroscopyAmorphous solidCarbideMaterials scienceTransmission electron microscopyCarbide-derived carbonCarbon fibersNanoporousSorptionAtmospheric temperature rangeAmorphous carbonChemical engineeringMesoporous materialCrystallographyChemistryNanotechnologyPhysical chemistryComposite numberComposite materialOrganic chemistryCarbon nanofiberCarbon nanotubeAdsorption

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Year
2005
Type
article
Volume
17
Issue
9
Pages
2317-2322
Citations
97
Access
Closed

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Cite This

Elizabeth Hoffman, Gleb Yushin, Michel W. Barsoum et al. (2005). Synthesis of Carbide-Derived Carbon by Chlorination of Ti<sub>2</sub>AlC. Chemistry of Materials , 17 (9) , 2317-2322. https://doi.org/10.1021/cm047739i

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DOI
10.1021/cm047739i