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

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• 作者：de la Chapelle ; M. Lamy ; Lefrant ; S. ; Journet ; C. ; Maser ; W. ; Bernier ; P. ; Loiseau ; A.
• 关键词：A. Carbon nanotubes ; C. Raman spectroscopy
• 刊名：Carbon
• 出版年：1998
• 期刊代码：10_00086223
• 类别：ms
• 出版时间：1998
• 卷：36
• 期：5-6
• 页码：705-708
• 文件大小：326 K

摘要

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.