RF thermal plasma processing of fullerenes

B. Todorović-Marković, Z. Marković, I. Mohai, Z. Nikolić, Z. Farkas, J. Szépvölgyi, É Kováts, P. Scheier, S. Feil

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This paper presents results on fullerene formation during the processing of different graphite powders in an RF thermal plasma reactor. Graphite powders of different particle size and purity were fed into the reactor (Aldrich, KS4). Optical emission spectroscopy of atomic and molecular species is used as a diagnostic tool of the RF plasma flame. It was found that rotational and vibrational temperatures of C 2 radicals depend on the feed rate of the precursor used. The volumes of RF plasma flame during processing of graphite powders have been calculated. By analysing scanning electron microscopy micrographs of soot, the evaporation rate of the precursors used has been evaluated as well. Based on the obtained values of volumes of plasma flame and evaporation rate of starting powders, the concentration of C 2 radicals has been calculated.

Original languageEnglish
Pages (from-to)320-326
Number of pages7
JournalJournal of Physics D: Applied Physics
Issue number2
Publication statusPublished - Jan 21 2006


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

Cite this

Todorović-Marković, B., Marković, Z., Mohai, I., Nikolić, Z., Farkas, Z., Szépvölgyi, J., Kováts, É., Scheier, P., & Feil, S. (2006). RF thermal plasma processing of fullerenes. Journal of Physics D: Applied Physics, 39(2), 320-326. https://doi.org/10.1088/0022-3727/39/2/012