Journal
MATERIALS LETTERS
Volume 61, Issue 8-9, Pages 1805-1808Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2006.07.163
Keywords
carbon nanotubes; filling; iron oxide; magnetic composites
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Magnetic multi-walled carbon nanotube (MWCNT) composites were obtained by decoration of metal oxide nanoparticles on or in carbon nanotubes. The method involved the dispersion of the carbon nanotubes in iron pentacarbonyl Fe(CO)(5) followed by vacuum thermolysis and subsequent oxidation. The magnetic iron oxide particle deposition was always homogeneous and could be controlled selectively on the outer, inner, or both surfaces of MWCNTs by using different MWCNTs. Since the hollow channels remained intact, these MWCNT based composites could find special applications in cellular delivery systems. (c) 2006 Elsevier B.V. All rights reserved.
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