Issue 1, 2009
From the journal:

Soft Matter

Disaggregation of single-walled carbon nanotubes (SWNTs) promoted by the ionic liquid-based surfactant1-hexadecyl-3-vinyl-imidazolium bromide in aqueous solution†

Antonello Di Crescenzo,a   Davide Demurtas,b   Andrea Renzetti,a   Gabriella Siani,a   Paolo De Maria,a   Moreno Meneghetti,c   Maurizio Pratod  and  Antonella Fontana*a  

* Corresponding authors

a Dipartimento di Scienze del Farmaco, Università “G. d'Annunzio”, Via dei Vestini, Chieti, Italy
E-mail: fontana@unich.it
Fax: +39 0871 3554461
Tel: +39 0871 4554790

b Centre Intégratif de Génomique (CIG), University of Lausanne, Lausanne, Switzerland

c Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, Padova, Italy

d Dipartimento di Scienze Farmaceutiche, Università degli Studi di Trieste, Piazzale Europa 1, Trieste, Italy

Abstract

Stable homogeneous aqueous dispersions of pristine single-walled carbon nanotubes (SWNTs) are obtained by using a water-soluble long-chain imidazolium ionic liquid (hvimBr) above its critical micelle concentration. The amount of hivmBr and the sonication time are two essential factors to obtain a good dispersion. The effective concentration of exfoliated SWNTs in aqueous solution is determined by simple, convenient and rapid UV-visible spectrophotometric measurements.

Graphical abstract: Disaggregation of single-walled carbon nanotubes (SWNTs) promoted by the ionic liquid-based surfactant 1-hexadecyl-3-vinyl-imidazolium bromide in aqueous solution

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Article information

DOI
https://doi.org/10.1039/B812022F
Article type
Communication
Submitted
14 Jul 2008
Accepted
15 Sep 2008
First published
24 Sep 2008

Soft Matter, 2009,5, 62-66

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Disaggregation of single-walled carbon nanotubes (SWNTs) promoted by the ionic liquid-based surfactant 1-hexadecyl-3-vinyl-imidazolium bromide in aqueous solution

A. Di Crescenzo, D. Demurtas, A. Renzetti, G. Siani, P. De Maria, M. Meneghetti, M. Prato and A. Fontana, Soft Matter, 2009, 5, 62 DOI: 10.1039/B812022F

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