An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes

Valeriy V. Bolotov; Vasiliy E. Kan; Egor V. Knyazev; Peter M. Korusenko; Sergey N. Nesov; Yuriy A. Sten'kin; Viktor A. Sachkov; Irina V. Ponomareva

doi:10.1016/S1872-5805(15)60197-4

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Article Navigation > New Carbon Mater. > 2015 > 30(5): 385-390

Valeriy V. Bolotov, Vasiliy E. Kan, Egor V. Knyazev, Peter M. Korusenko, Sergey N. Nesov, Yuriy A. Sten'kin, Viktor A. Sachkov, Irina V. Ponomareva. An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes. New Carbon Mater., 2015, 30(5): 385-390. doi: 10.1016/S1872-5805(15)60197-4

Citation:

Valeriy V. Bolotov, Vasiliy E. Kan, Egor V. Knyazev, Peter M. Korusenko, Sergey N. Nesov, Yuriy A. Sten'kin, Viktor A. Sachkov, Irina V. Ponomareva. An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes. New Carbon Mater., 2015, 30(5): 385-390. doi: 10.1016/S1872-5805(15)60197-4

Citation:

Valeriy V. Bolotov, Vasiliy E. Kan, Egor V. Knyazev, Peter M. Korusenko, Sergey N. Nesov, Yuriy A. Sten'kin, Viktor A. Sachkov, Irina V. Ponomareva. An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes. New Carbon Mater., 2015, 30(5): 385-390. doi: 10.1016/S1872-5805(15)60197-4

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An observation of the radial breathing mode in the Raman spectra of CVD-grown multi-wall carbon nanotubes

doi: 10.1016/S1872-5805(15)60197-4

Omsk Scientific Center of Siberian Branch Russian Academy of Sciences, Karl Marx Avenue, 15, Omsk 644024, Russian Federation

Received Date: 2015-05-08
Accepted Date: 2015-11-10
Rev Recd Date: 2015-10-10
Publish Date: 2015-10-28

Abstract

Abstract

MWCNTs grown by chemical vapor deposition on SiO₂/Si substrates were investigated by Raman spectroscopy, transmission electron microscopy (TEM), Auger spectroscopy, and X-ray photoelectron spectroscopy before and after an annealing at 390℃ for 120 min in air or chemical treatment with a HCl solution. The Raman spectroscopy was focused on the low-frequency (250-300 cm^-1) band. It is found that the positions and full widths at half maximum of the peaks forming the 250-300 cm^-1 Raman band change little with the annealing or chemical treatment. The measured inner diameters of small-diameter CNTs from TEM agree well with those from Raman spectroscopy. These indicate that the low-frequency band originates from the radial breathing oscillations of carbon atoms in the inner walls of small-diameter MWCNTs.
- Carbon nanotube,
- Radial breathing mode,
- Raman,
- Chemical vapor deposition,
- Microscopy

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References(20)

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