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Issue 34, 2008
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Controlled purification, solubilisation and cutting of carbon nanotubes using phosphomolybdic acid

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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 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.

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

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Publication details

The article was received on 09 Apr 2008, accepted on 12 Jun 2008 and first published on 24 Jul 2008


Article type: Paper
DOI: 10.1039/B805907A
Citation: J. Mater. Chem., 2008,18, 4056-4061
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    Controlled purification, solubilisation and cutting of carbon nanotubes using phosphomolybdic acid

    C. Warakulwit, J. Majimel, M. Delville, P. Garrigue, J. Limtrakul and A. Kuhn, J. Mater. Chem., 2008, 18, 4056
    DOI: 10.1039/B805907A

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