Raman studies on single walled carbon nanotubes produced by the electric arc technique

Carbon single walled nanotubes (SWNTs) have been produced in high yields using the electric arc technique. TEM studies show that the SWNTs have a narrow diameter distribution around an average value of 1.3 nm. In this paper, we focus on the characterization of these samples by high resolution Raman...

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Bibliographic Details
Published in:Carbon (New York) 1998, Vol.36 (5), p.705-708
Main Authors: de la Chapelle, M.Lamy, Lefrant, S., Journet, C., Maser, W., Bernier, P., Loiseau, A.
Format: Article
Language:English
Subjects:
A. Carbon nanotubes
C. Raman spectroscopy
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Nanoscale materials and structures: fabrication and characterization
Physics
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Summary:Carbon single walled nanotubes (SWNTs) have been produced in high yields using the electric arc technique. TEM studies show that the SWNTs have a narrow diameter distribution around an average value of 1.3 nm. In this paper, we focus on the characterization of these samples by high resolution Raman spectroscopy (HRRS). The presence of large amounts of SWNTs in the samples induces a very rich structure in the Raman spectra, typical for this class of carbonaceous material. Armchair tubes with (8,8) to (12,12) geometry can be detected, in agreement with the narrow diameter distribution observed by TEM measurements. The ability of HRRS as a highly sensitive fingerprint technique in identifying SWNTs with different diameters and geometries is discussed.
ISSN:0008-6223
1873-3891
DOI:10.1016/S0008-6223(98)00026-8