Progress in Plasma Processing of Materials, 2001

ISBN Print: 1-56700-165-3

HIGH TEMPERATURE SYNTHESIS OF CARBON NANOTUBES: A COMPARISON OF PLASMA, LASER AND SOLAR PROCESSES

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DOI: 10.1615/ITPPC-2000.840
pages 639-648

Gilles Flamant CNRS PROMES UPR 8521, Tecnosud, Rambla de la Thermodynamique, 66100 Perpignan, France

T. Guillard Institut de Science et de Genie des Materiaux et Procedes, IMP-CNRS B.P.5, Odeillo, 66125 FONT-ROMEU Cedex, FRANCE

J. M. Badie C. N. R. S., Institut de Science et de Genie des Materiaux et Procedes B. P. 5, Odeillo, F-66125 Font-Romeu Cedex

D. Laplaze Groupe de Dynamique des Phases Condensees, GDPC-UM2 C.C. 026, Univ. de Montpellier II, 34095 MONTPELLIER Cedex 05, FRANCE

L. Alvarez Groupe de Dynamique des Phases Condensees, GDPC-UM2 C.C. 026, Univ. de Montpellier II, 34095 MONTPELLIER Cedex 05, FRANCE

J.L. Sauvajol Groupe de Dynamique des Phases Condensees, GDPC-UM2 C.C. 026, Univ. de Montpellier II, 34095 MONTPELLIER Cedex 05, FRANCE

Аннотация

Carbon single-wall nanotubes (SWNTs) can be produced from carbon sublimation by various methods; we have compared electric arc and laser techniques with solar energy processing. Generally, produced SWNTs are not significantly different (on the basis of mean diameter and diameter distribution) for a given catalyst as shown by TEM and Raman spectroscopy characterisation. However, the double-pulse Nd: YAG laser method produces a high purity material but with a poor production rate. Finally, we have demonstrated that the solar processing permit to set the SWNTs mean diameter in the range 0.9 nm-2 nm by changing the catalyst and to control, in a certain extent, the production yield which depend of the temperature distribution inside the reactor.

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