Issue |
Eur. Phys. J. AP
Volume 5, Number 3, March 1999
|
|
---|---|---|
Page(s) | 251 - 256 | |
DOI | https://doi.org/10.1051/epjap:1999137 | |
Published online | 15 March 1999 |
https://doi.org/10.1051/epjap:1999137
Production of carbon nanotubes by the solar route
1
Institut de Sciences et de Génie des Matériaux et Procédés,
Centre du Four Solaire Félix Trombe, B.P. 5, Odeillo,
66125 Font-Romeu Cedex, France
2
Groupe de Dynamique des Phases Condensées,
Université de Montpellier II,
34095 Montpellier Cedex 5, France
Corresponding author: laplaze@gdpc.univ-montp2.fr
Received:
17
June
1998
Revised:
13
November
1998
Accepted:
17
December
1998
Published online: 15 March 1999
The high intensity of concentrated solar radiation obtained with the Odeillo (France) solar furnace facilities can be used to produce carbon nanotubes by direct vaporization of carbon bi-metal targets under inert gas atmosphere. Electron microscope pictures and Raman spectra show that the structure of the produced carbon nanotubes is likely to depend on experimental conditions and that the growth of single-wall or multi-walled carbon nanotubes can be favored.
Résumé
La forte concentration du rayonnement solaire que l'on peut obtenir grâce aux installations du centre du four solaire d'Odeillo (France) nous a permis de synthétiser des nanotubes de carbone par la méthode de vaporisation-condensation en présence de gaz inerte (argon). Les observations en microscopie électronique (MEB et TEM) ainsi que l'analyse des spectres Raman montrent que la structure des nanotubes de carbone obtenus dépend fortement des conditions expérimentales et que l'on peut favoriser la croissance de nanotubes d'un type déterminé (monofeuillets ou multifeuillets) en modifiant les paramètres de synthèse.
PACS: 61.46.+w – Clusters, nanoparticles, and nanocrystalline materials / 81.05.-t – Specific materials: fabrication, treatment, testing and analysis / 81.10.Bk – Growth from vapor
© EDP Sciences, 1999
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