Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity

Gianluca Galimberti, Stefano Ponzoni, Andrea Cartella, Matthew T. Cole, Stephan Hofmann, Cinzia Cepek, Gabriele Ferrini, Stefania Pagliara

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

High-resolution time resolved transmittivity measurements on horizontally aligned free-standing multi-walled carbon nanotubes reveal a different electronic transient behavior from that of graphite. This difference is ascribed to the presence of discrete energy states in the multishell carbon nanotube electronic structure. Probe polarization dependence suggests that the optical transitions involve definite selection rules. The origin of these states is discussed and a rate equation model is proposed to rationalize our findings.

Original languageEnglish
Pages (from-to)50-58
Number of pages9
JournalCarbon
Volume57
DOIs
Publication statusPublished - Jun 2013

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Carbon Nanotubes
Electronic structure
Optical transitions
Graphite
Electron energy levels
Polarization

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Galimberti, G., Ponzoni, S., Cartella, A., Cole, M. T., Hofmann, S., Cepek, C., ... Pagliara, S. (2013). Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity. Carbon, 57, 50-58. https://doi.org/10.1016/j.carbon.2013.01.030

Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity. / Galimberti, Gianluca; Ponzoni, Stefano; Cartella, Andrea; Cole, Matthew T.; Hofmann, Stephan; Cepek, Cinzia; Ferrini, Gabriele; Pagliara, Stefania.

In: Carbon, Vol. 57, 06.2013, p. 50-58.

Research output: Contribution to journalArticle

Galimberti, G, Ponzoni, S, Cartella, A, Cole, MT, Hofmann, S, Cepek, C, Ferrini, G & Pagliara, S 2013, 'Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity', Carbon, vol. 57, pp. 50-58. https://doi.org/10.1016/j.carbon.2013.01.030
Galimberti, Gianluca ; Ponzoni, Stefano ; Cartella, Andrea ; Cole, Matthew T. ; Hofmann, Stephan ; Cepek, Cinzia ; Ferrini, Gabriele ; Pagliara, Stefania. / Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity. In: Carbon. 2013 ; Vol. 57. pp. 50-58.
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