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Effects on Raman spectra of functionalisation of single walled carbon nanotubes by nitric acid
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-4254-5020
Institut Jean Lamour, CNRS – Nancy Université.
Laboratoire de Chimie Physique et Microbiologie pour l'Environnement, Nancy Université.
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2011 (English)In: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 248, no 11, p. 2552-2555Article in journal (Refereed) Published
Abstract [en]

In the ultimate aim of grafting a fluorescent group on carbon nanotubes (CNTs) using COOH functions as anchoring groups, it was realised that optimisation of the carboxylation step of the CNTs was essential in the overall process. To reach this goal, three different treatment times with refluxed nitric acid have been tested: 2, 5 and 10 h. Electron microscopy has allowed evaluating the microstructure changes and the chemical composition on a local level. Raman spectroscopy has revealed a number of interesting evolutions especially in the D and G bands spectral region. It seems that residual nitric acid molecules may partially transfer charge to CNTs, giving rise to a doping effect, as is well known in graphite intercalation compounds

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2011. Vol. 248, no 11, p. 2552-2555
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URN: urn:nbn:se:ltu:diva-8605DOI: 10.1002/pssb.201100082ISI: 000297517100029Scopus ID: 2-s2.0-84868668148Local ID: 7209b6dd-ebe6-447d-8478-02ec900a4c74OAI: oai:DiVA.org:ltu-8605DiVA, id: diva2:981543
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Validerad; 2011; 20111216 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Mases, MattiasNoël, MaximeSoldatov, Alexander

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