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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimir: 1093-3611
ISSN On-line: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v5.i2.90
10 pages

CHARACTERISTICS OF A CARBON ARC DISCHARGE

K. Saidane
Centre de Physique des Plasmas et de leurs Applications de Toulouse, UMR 5002, Universite Paul Sabatier, 118 route de Narbonne F31062, Tolouse cedex 4, France
H. Lange
Department of Chemistry, Warsaw University, 1 Pasteur st., 02-093 Warsaw, Poland
M. Razafinimanana
Centre de Physique des Plasmas et de leurs Applications de Toulouse, UMR 5002, Universite Paul Sabatier, 118 route de Narbonne F31062, Tolouse cedex 4, France
A. Huczko
Department of Chemistry, Warsaw University, 1 Pasteur st., 02-093 Warsaw, Poland
C. Zedde
Centre de Physique des Plasmas et de leurs Applications de Toulouse, UMR 5002, Universite Paul Sabatier, 118 route de Narbonne F31062, Tolouse cedex 4, France
M. Baltas
Laboratoire de Synthese et Physico-Chimie de Molecules d'interets biologiques Universite Paul Sabatier, 118 route de Narbonne F31062, Tolouse cedex 4, France

RESUMO

Diagnostic analyses were performed on a d.c. carbon arc discharge, using two different experimental systems, under conditions in which the fullerenes and carbon nanostructures are formed. The self-absorption effect in the d 3Pg, v' = 0 ® a 3Pu, v" = 0 band was used for column density determination of C2 radicals and temperatures. The fullerene C60 content in the collected soot was determined by spectrophotometric absorption of the toluene soot extracts, and using HPLC technique. Temperatures within 3500 - 6500 К, column densities within (0.5 - 10)xl016 cm-2 and C60 content within 4 and 15 wt% were found depending upon the arc current, pressure of the buffer gas (He) and plasma coordinates.


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