Résumé
The vertically aligned multi-walled carbon nanotubes (VA-MWNTs) were synthesized by a catalytic chemical vapor deposition (CCVD) technique, using ferrocene as an iron catalyst precursor and toluene/ethanol mixture with different ratio as a carbon source/etching agent, in the presence of H . The growth rate, efficiency and the structure of the synthesized tubes were investigated. The CNTs growth rate and quality of tubes significantly improve up to 9 vol.% of ethanol whereas a negative influence was observed for higher ethanol concentration (>17 vol.%). Low ethanol content in the reaction mixture (5 vol.%) results in the highest volume density of the tubes within the array along with highest specific surface area. The synergetic effect of EtOH/hydrogen on the growth rate of VA-MWNTs was observed as well.
langue originale | Anglais |
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Pages (de - à) | 7-14 |
Nombre de pages | 8 |
journal | Applied catalysis. A: General |
Volume | 423-424 |
Les DOIs | |
Etat de la publication | Publié - 7 mai 2012 |
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Synthèse, Irradiation et Analyse de Matériaux (SIAM) (2016 - ...)
Louette, P. (!!Manager), Colaux, J. (!!Manager), Felten, A. (!!Manager), Tabarrant, T. (!!Operator), COME, F. (!!Operator) & Debarsy, P.-L. (!!Manager)
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