WARAKULWIT, Chompunuch; MAJIMEL, Jérôme; DELVILLE, Marie-Hélène; GARRIGUE, Patrick; LIMTRAKUL, Jumras; KUHN, Alexander

doi:10.1039/b805907a

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WARAKULWIT, Chompunuch
Institut des Sciences Moléculaires [ISM]
Chemistry Department

MAJIMEL, Jérôme
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DELVILLE, Marie-Hélène
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Materials Chemistry. 2008, vol. 18, n° 34, p. 4056-4061

Royal Society of Chemistry

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We describe a straight forward procedure that allows an easy purification, an efficient solubilisation and, if desired, a controlled cutting of carbon nanotubes. The method uses aqueous solutions of phosphomolybdic acid combined with ultrasound, leading to the adsorption of phosphomolybdate on the nanotubes. This generates a negative surface charge allowing the formation of very stable suspensions. Prolonged exposure results in a controlled shortening of the tubes. Single- as well as multi-wall carbon nanotubes can be treated this way, which facilitates their further processing.< Leer menos

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Carbon nanotubes

Purification

Phosphomolybdic acid

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Controlled purification, solubilisation and cutting of carbon nanotubes using phosphomolybdic acid

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