Post-Synthesis Alignment of Chemically Modified Carbon Nanotubes in Magnetic Fields
Authors: Marquez, F.; Morant, C.; Sanz, J. M.; Elizalde, E.
Source: Journal of Nanoscience and Nanotechnology, Volume 9, Number 10, October 2009 , pp. 6127-6131(5)
Publisher: American Scientific Publishers
Abstract:In this paper we present an improved procedure to prepare carbon nanotubes bundles functionalized with magnetite nanoparticles. Carbon nanotubes (CNTs) have been modified by hydrophobic adsorption of a carboxylic acid derivative and the previously synthesized magnetite nanoparticles have been attached to the acid groups. Electron microscopy studies show a high density of magnetite nanoparticles on the surface of CNTs. These modified carbon nanotubes become magnetic and can be appropriately oriented by using external magnetic fields.
Document Type: Research Article
Publication date: October 1, 2009
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