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Abstract:

We present a method to achieve stable dispersions of multiwalled carbon nanotubes (MWCNT) in tetrahydrofuran for several days. The physical chemistry of this method is based on the π-π stacking interactions between MWCNT and an azobenzene derivative, Disperse Orange 3 (DO3). Evidence of this interaction was obtained using UV-vis absorption spectroscopy. Our results suggest that there is a weight ratio DO3/MWCNT beyond which interactions are strong enough to achieve stable dispersions of MWCNT for at least 45 days. © 2010 American Chemical Society.

Registro:

Documento: Artículo
Título:Stable solutions of multiwalled carbon nanotubes using an azobenzene dye
Autor:Costanzo, G.D.; Ledesma, S.; Mondragon, I.; Goyanes, S.
Filiación:LPI, Department de Física, Ciudad Universitaria, 1428 Bs. As., Argentina
CONICET, Argentina
Department Ing. Química y M. Ambiente, Escuela Politécnica, University of the Basque Country, Pza. Europa 1, 20018 Donostia-San Sebastián, Spain
LP and MC, Departamento de Física, Ciudad Universitaria, 1428 Bs. As., Argentina
Palabras clave:Azobenzene derivatives; Stable dispersions; Stable solutions; Stacking interaction; Tetra-hydrofuran; UV-Vis absorption spectroscopy; Weight ratios; Absorption spectroscopy; Dispersions; Nanotubes; Physical chemistry; Ultraviolet spectroscopy; Multiwalled carbon nanotubes (MWCN)
Año:2010
Volumen:114
Número:34
Página de inicio:14347
Página de fin:14352
DOI: http://dx.doi.org/10.1021/jp102580b
Título revista:Journal of Physical Chemistry C
Título revista abreviado:J. Phys. Chem. C
ISSN:19327447
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_19327447_v114_n34_p14347_Costanzo

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Citas:

---------- APA ----------
Costanzo, G.D., Ledesma, S., Mondragon, I. & Goyanes, S. (2010) . Stable solutions of multiwalled carbon nanotubes using an azobenzene dye. Journal of Physical Chemistry C, 114(34), 14347-14352.
http://dx.doi.org/10.1021/jp102580b
---------- CHICAGO ----------
Costanzo, G.D., Ledesma, S., Mondragon, I., Goyanes, S. "Stable solutions of multiwalled carbon nanotubes using an azobenzene dye" . Journal of Physical Chemistry C 114, no. 34 (2010) : 14347-14352.
http://dx.doi.org/10.1021/jp102580b
---------- MLA ----------
Costanzo, G.D., Ledesma, S., Mondragon, I., Goyanes, S. "Stable solutions of multiwalled carbon nanotubes using an azobenzene dye" . Journal of Physical Chemistry C, vol. 114, no. 34, 2010, pp. 14347-14352.
http://dx.doi.org/10.1021/jp102580b
---------- VANCOUVER ----------
Costanzo, G.D., Ledesma, S., Mondragon, I., Goyanes, S. Stable solutions of multiwalled carbon nanotubes using an azobenzene dye. J. Phys. Chem. C. 2010;114(34):14347-14352.
http://dx.doi.org/10.1021/jp102580b