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Bittencourt, C., Navio, C., Nicolay, A., Ruelle, B., Godfroid, T., Snyders, R., Colomer, J. .-F., Lagos, M. J., Ke, X., Van Tendeloo, G., Suarez-Martinez, I. & Ewels, C. P. (2011) Atomic Oxygen Functionalization of Vertically Aligned Carbon Nanotubes. J. Phys. Chem. C, 115 20412–20418.
Added by: Laurent Cournède (2016-03-10 21:32:19) |
| Type de référence: Article DOI: 10.1021/jp2057699 Numéro d'identification (ISBN etc.): 1932-7447 Clé BibTeX: Bittencourt2011 Voir tous les détails bibliographiques  |
Catégories: PMN Mots-clés: adsorption, chemistry, fiber surfaces, field-emission, graphite oxides, ozone oxidation, plasma, spectroscopy, XPS Créateurs: Bittencourt, Colomer, Ewels, Godfroid, Ke, Lagos, Navio, Nicolay, Ruelle, Snyders, Suarez-Martinez, Van Tendeloo Collection: J. Phys. Chem. C |
Consultations : 1/553
Indice de consultation : 4% Indice de popularité : 1% |
| Résumé |
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Vertically aligned multiwalled carbon nanotubes (v-MWCNTs) are functionalized using atomic oxygen generated in a microwave plasma. X-ray photoelectron spectroscopy depth profile analysis shows that the plasma treatment effectively grafts oxygen exclusively at the v-MWCNT tips. Electron microscopy shows that neither the vertical alignment nor the structure of v-MWCNTs were affected by the plasma treatment. Density functional calculations suggest assignment of XPS C 1s peaks at 286.6 and 287.5 eV, to epoxy and carbonyl functional groups, respectively.
Added by: Laurent Cournède |