Scientia et Technica, ISSN 0122-1701, Vol. 4, Nº. 36, 2007, págs. 777-781, vol. 4, issue 36 (2007) pp. 777-781 Published by Universidad Tecnológica de Pereira
Multiwall carbon nanotubes have been synthesized by means of catalytical
chemical deposition of ethylene by using different catalysts, in order to generate
nanotubes with different diameters and structural regularities. The nanotubes
were functionalized with the objective of introduce hydroxy groups in its surface.
In this work we also synthesized silica nanotubes by sol-gel method, by using dl
tartaric acid as template and TEOS as the silica source. The materials have been
characterized by TGA, TEM, FTIR, adsorcion-desorption of nitrogen and XRD.
The carbon nanotubes synthesized on mesoporous supports present a better
structural regularity and lower average diameter that those materials
synthesized on CaCO3.
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