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Controlled purification, solubilisation and cutting of carbon nanotubes using phosphomolybdic acid
Language
en
Article de revue
This item was published in
Journal of Materials Chemistry. 2008, vol. 18, n° 34, p. 4056-4061
Royal Society of Chemistry
English Abstract
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 ...Read more >
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.Read less <
English Keywords
Carbon nanotubes
Purification
Phosphomolybdic acid
Origin
Hal imported