Raman scattering from double-walled carbon nanotubes

H. Kuzmany, W. Plank, R. Pfeiffer, F. Simon

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Raman scattering from double-walled carbon nanotubes is reported with particular emphasis on the response from the radial breathing mode (RBM) of the inner-shell tubes. The unexpected large number of very narrow lines observed is explained by the growth of one and the same inner tube type in different outer tubes in a highly shielded environment. The response of the RBM and of the G-line is used to analyze the transition from peapods to double-walled carbon nanotubes. During the transformation process the Raman response disappears for a short time, indicating the existence of some Raman dark matter. By preparing the starting peapods from heterofullerenes such as (C59N)2 or 13C-substituted fullerenes, hetero-nanotubes can be grown where nitrogen or the 13C atoms are incorporated into the inner tube wall.

Original languageEnglish
Pages (from-to)134-140
Number of pages7
JournalJournal of Raman Spectroscopy
Volume39
Issue number2
DOIs
Publication statusPublished - Feb 1 2008

Keywords

  • C N
  • Double-walled carbon nanotubes
  • Fullerenes
  • Raman spectroscopy

ASJC Scopus subject areas

  • Materials Science(all)
  • Spectroscopy

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