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Progress in Plasma Processing of Materials, 2001

ISBN:
1-56700-165-3 (Print)

INFLUENCE OF DOPED GRAPHITE-ELECTRODE ELECTRIC ARC FOR THE FORMATION OF SINGLE WALL CARBON NANOTUBES

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

M. Pacheco
CPAT, ESA 5002, Universite Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex France.

M. Monthioux
CEMES, UPRA 8011 CNRS, Toulouse, France

H. Allouche
CEMES, UPRA 8011 CNRS, Toulouse, France; Departement de Physique, Faculte des Sciences de Sfax, Tunisie

H. Lange
Department of Chemistry, Warsaw University, 1 Pasteur st., 02-093 Warsaw, Poland

A. Huczko
Department of Chemistry, Warsaw University, 1 Pasteur st., 02-093 Warsaw, Poland

Philippe Teulet
CPAT, Universite Paul Sabatier, 118, Rte de Narbonne, 31062 Toulouse Cx 4, France

Alain Gleizes
Centre de Physique des Plasmas et de leurs Applications de Toulouse (CPAT) UMR n° 5002 − Université Paul Sabatier, 118 Route de Narbonne F31062 Toulouse Cedex 4 - France

C. Goze
Groupe de Dynamique des Phases Condensees, C.C. 026, 34095 Montpellier Cedex 05 France

P. Bernier
Groupe de Dynamique des Phases Condensees, C.C. 026, 34095 Montpellier Cedex 05 France

T. Sogabe
Toyo Tanso Co. Ltd., Kagawa, 769-1612, Japan

Abstract

The discovery of carbon nanotubes has motivated great interests about their atomic and electronic structures and possibilities for technological applications. The electric arc method is now widely used to prepare carbon nanotubes. We actually characterise the arc plasma by changing some parameters as pressure, type of catalysts and anode's structure in order to relate the influence of plasma to the structural characteristics of the various carbon nanostructures obtained and analysed by high resolution transmission electron microscopy. Radial temperature was deduced from Boltzmann plots using a group of well resolved components of the P(0,0) branch.
By changing some parameters we obtained high proportion of SWNT and DWNT isolated or ropes.