Raman and SERS Studies of Single‐walled Carbon Nanotubes and Nanotubes/Conjugated Polymers Composites
- Conference date: 25–28 March 2007
- Location: Sousse (Tunisia)
In this paper, we recall the main characteristics of Raman spectra of single‐walled carbon nanotubes. We illustrate our studies by results obtained on HiPCO samples on one hand, and “arc electric” samples on the other hand by using two different excitation wavelengths. We focus on the peculiarity of observing separately semi‐conducting and metallic tubes. We emphasize also the role played by the radial breathing modes whose frequency depends on the tube diameter and on the need to take into account the interactions between tubes when they are in bundles in order to determine accurately the tube diameter distribution. Finally we demonstrate briefly the evidence of using the SERS (surface enhanced Raman scattering) spectroscopy to study reactions at interfaces or between components in nanotubes/conjugated polymers composites.
- Carbon nanotubes
- Surface enhanced Raman scattering
- Raman spectra
- Spectral properties
- Surface enhanced Raman spectroscopy
- Surface reactions
- Surface spectroscopy
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