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Double-walled carbon nanotube dispersion via surfactant substitution

Datsyuk, Vitaliy and Landois, Périne and Fitremann, Juliette and Peigney, Alain and Galibert, Anne-Marie and Soula, Brigitte and Flahaut, Emmanuel Double-walled carbon nanotube dispersion via surfactant substitution. (2009) Journal of Materials Chemistry, 19 (18). 2729 -2736. ISSN 1364-5501

(Document in English)

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Official URL: http://dx.doi.org/10.1039/b814122n


A new approach for the stabilisation of double-walled carbon nanotubes in aqueous media was developed. A low molecular weight surfactant was used in the first stage for the debundling of the nanotubes followed by substitution with a higher molecular weight surfactant or non-ionic surfactants. Dispersions were characterized by optical density measurements, SEM and DLS. The presence of remaining low molecular weight surfactant was investigated by FT-IR. Double walled carbon nanotube dispersions showed good dispersion stability and non-detectable amounts of the initial surfactant, which was completely removed. Such a method could be useful for preparation of stable aqueous dispersions of carbon nanotubes with low concentration of surfactants, which is especially important for toxicity studies.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.rsc.org/ The original PDF of the article can be found at Journal of Materials Chemistry website :http://www.rsc.org/Publishing/Journals/JM/article.asp?doi=b814122n
HAL Id:hal-03566149
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
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Deposited On:15 Dec 2010 13:01

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