carbon nanotubes; chemical vapor deposition; mass spectroscopy; modeling; reaction kinetics
Abstract :
[en] A kinetic study is presented for the synthesis of multi-walled carbon nanotubes in a semi-continuous chemical vapor deposition reactor. The study is based on the use of a mass spectrometer that allows the reaction rate to be inferred from the exhaust gas composition measurements. The tested reactor operating variables are the length and thickness of the catalytic bed, the total feed flow and the molar fraction of hydrocarbon in the feed. The results of the study are analyzed using well known reactor engineering models, which allows the origin of the observed physical limitations to be ascertained. (C) 2004 Elsevier Ltd. All rights reserved.
Disciplines :
Physics Chemistry Materials science & engineering
Author, co-author :
Gommes, Cédric ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Génie catalytique
Blacher, Silvia ; Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Bossuot, C.; Nanocyl SA
Marchot, Pierre ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Systèmes polyphasiques
Nagy, Janos B.; Facultés Universitaires Notre Dame de la Paix - Namur
Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Génie catalytique
Language :
English
Title :
Influence of the operating conditions on the production rate of multi-walled carbon nanotubes in a CVD reactor
Publication date :
2004
Journal title :
Carbon
ISSN :
0008-6223
eISSN :
1873-3891
Publisher :
Pergamon-Elsevier Science Ltd, Oxford, United Kingdom
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