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

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

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

5 Citazioni (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.
Lingua originaleEnglish
pagine (da-a)50-58
Numero di pagine9
RivistaCarbon
Volume2013
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • carbon nanotubes
  • electronic structure

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