image analysis; carbon nanotubes; gas adsorption; X-ray scattering; thermogravimetry
Abstract :
[en] Four complementary and independent methods are used to characterize nanotube samples: (i) TEM observation coupled with image analysis, (ii) nitrogen and krypton adsorption isotherm analysis, (iii) thermogravimetry and (iv) wide angle X-ray scattering. The methodology is discussed on the basis of two multi-walled carbon nanotube samples produced by the CCVD technique with very different reaction rates. It is shown that the total amount of deposited carbon is larger for the sample produced at the higher rate, that the fraction of nanotubes in the deposited carbon does not seem to be significantly different, but that the crystallinity of the nanotubes wall is larger for the sample produced at the lowest reaction rate. (C) 2004 Elsevier B.V. All rights reserved.
Disciplines :
Materials science & engineering Chemical engineering
Author, co-author :
Gommes, Cédric ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Blacher, Silvia ; Université de Liège - ULiège > Département de Chimie appliquée > Génie chimique - Chimie physique appliquée
Dupont-Pavlovsky, N.
Bossuot, Christophe; Université de Liège - ULiège > Département de Chimie appliquée > Génie chimique - Chimie physique appliquée
Lamy, Michael
Brasseur, Alain; Université de Liège - ULiège > Département de Chimie appliquée > Génie chimique - Chimie physique appliquée
Marguillier, David ; Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale
Fonseca, Antonio
McRae, E.
Nagy, J. B.
Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Language :
English
Title :
Comparison of different methods for characterizing multi-walled carbon nanotubes
Publication date :
2004
Event name :
From millimetres to nanometers
Event date :
2004
By request :
Yes
Audience :
International
Journal title :
Colloids and Surfaces A: Physicochemical and Engineering Aspects
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