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Synthesis of single-walled carbon nanotube–Co–MgO composite powders and extraction of the nanotubes

E. Flahaut,1  A. Peigney,1  Ch. Laurent*1  and  A. Rousset1 
Author affiliations

* Corresponding authors

1 Laboratoire de Chimie des Matériaux Inorganiques, ESA CNRS 5070, Université Paul-Sabatier, Toulouse cedex 4, France
E-mail: laurent@iris.ups-tlse.fr

Abstract

A carbon nanotube–Co–MgO composite powder is prepared by reducing a Mg0.9Co0.1O solid solution in H2–CH4 atmosphere. The oxide matrix and part of the Co catalyst are dissolved by acid treatment without damage to the nanotubes. More than 80% of the carbon nanotubes have either one or two walls. The diameters of the nanotubes are in the range 0.5–5 nm. The utilized method may be a real improvement in the low-cost, large-scale synthesis of single- and double-walled carbon nanotubes.

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Publication details

The article was received on 28 Oct 1999, accepted on 18 Nov 1999 and first published on 27 Jan 2000


Article type: Communication
DOI: 10.1039/A908593I
Citation: J. Mater. Chem., 2000,10, 249-252
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    Synthesis of single-walled carbon nanotube–Co–MgO composite powders and extraction of the nanotubes

    E. Flahaut, A. Peigney, Ch. Laurent and A. Rousset, J. Mater. Chem., 2000, 10, 249
    DOI: 10.1039/A908593I

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