Artículo
Goyanes, S.; Rubiolo, G.R.; Salazar, A.; Jimeno, A.; Corcuera, M.A.; Mondragon, I. "Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy" (2007) Diamond and Related Materials. 16(2):412-417
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Abstract:
The effect of acid treatment on multiwalled carbon nanotubes (MWCNTs) was investigated through analysis of their morphologies followed by atomic force microscopy (AFM). The chemical changes were monitored by Fourier transform infrared (FTIR) and ultraviolet (UV/Vis) spectrophotometries. Treatments with nitric acid as well as with a mixture of nitric and sulfuric acids (1:3 by volume) were analyzed. Both acid treatments applied during a short ultrasonication time do not show any relevant effect. However, an additional peak can be observed at 1200 cm- 1 in the FTIR spectrum of the MWCNTs treated with the acid mixture after 2 h but their UV/Vis spectrum did not change. These results could indicate that new C-O groups appear in the open ends of the nanotubes without modifying the structure of their sidewalls. When the treatment with the acid mixture was prolonged, the sidewall of the nanotubes began to be destroyed up to their nearly complete destruction as observed by both UV/Vis and AFM. The results reported in this work show that three simple and quick techniques can help to control the carboxylation process often carried out before the functionalization of MWCNTs. © 2006 Elsevier B.V. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy |
| Autor: | Goyanes, S.; Rubiolo, G.R.; Salazar, A.; Jimeno, A.; Corcuera, M.A.; Mondragon, I. |
| Filiación: | Laboratorio de Polímeros y Materiales Compuestos, Dep Física, FCEN-UBA. Ciudad Universitaria, Pab. 1, C1428EGA Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas y Tecnológicas, CONICET, Argentina Unidad de Actividad Materiales, CNEA, Av Gral. Paz 1499, San Martin, 1650 Buenos Aires, Argentina 'Materials + Technologies' Group, Escuela Univ Politécnica/Unibertsitate Eskola Politeknikoa, Dpto Ingeniería Química y M Ambiente, Pza Europa 1, 20018 Donostia-San Sebastián, Spain |
| Palabras clave: | Characterization; Chemical treatment; Multiwalled carbon nanotubes (MWCNTs); Scanning probe techniques; Spectrophotometry; Atomic force microscopy; Carboxylation; Characterization; Fourier transform infrared spectroscopy; Infrared spectroscopy; Ultraviolet spectrophotometers; Chemical treatment; Multiwalled carbon nanotubes (MWCNT); Scanning probe techniques; Carbon nanotubes |
| Año: | 2007 |
| Volumen: | 16 |
| Número: | 2 |
| Página de inicio: | 412 |
| Página de fin: | 417 |
| DOI: | http://dx.doi.org/10.1016/j.diamond.2006.08.021 |
| Título revista: | Diamond and Related Materials |
| Título revista abreviado: | Diamond Relat. Mat. |
| ISSN: | 09259635 |
| CODEN: | DRMTE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09259635_v16_n2_p412_Goyanes |
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Citas:
---------- APA ----------
Goyanes, S., Rubiolo, G.R., Salazar, A., Jimeno, A., Corcuera, M.A. & Mondragon, I. (2007) . Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy. Diamond and Related Materials, 16(2), 412-417.http://dx.doi.org/10.1016/j.diamond.2006.08.021
---------- CHICAGO ----------
Goyanes, S., Rubiolo, G.R., Salazar, A., Jimeno, A., Corcuera, M.A., Mondragon, I. "Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy" . Diamond and Related Materials 16, no. 2 (2007) : 412-417.http://dx.doi.org/10.1016/j.diamond.2006.08.021
---------- MLA ----------
Goyanes, S., Rubiolo, G.R., Salazar, A., Jimeno, A., Corcuera, M.A., Mondragon, I. "Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy" . Diamond and Related Materials, vol. 16, no. 2, 2007, pp. 412-417.http://dx.doi.org/10.1016/j.diamond.2006.08.021
---------- VANCOUVER ----------
Goyanes, S., Rubiolo, G.R., Salazar, A., Jimeno, A., Corcuera, M.A., Mondragon, I. Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy. Diamond Relat. Mat. 2007;16(2):412-417.http://dx.doi.org/10.1016/j.diamond.2006.08.021
