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Studying the local character of Raman features of single-walled carbon nanotubes along a bundle using TERS

Peica, Niculina and Thomsen, Christian and Maultzsch, Janina (2011) Studying the local character of Raman features of single-walled carbon nanotubes along a bundle using TERS. Nanoscale Research Letters, 6 (1). pp. 1-7.

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Official URL: http://www.nanoscalereslett.com/content/6/1/174

Abstract

Here, we show that the Raman intensity of the G-mode in tip-enhanced Raman spectroscopy (TERS) is strongly dependent on the height of the bundle. Moreover, using TERS we are able to position different single-walled carbon nanotubes along a bundle, by correlating the observed radial breathing mode (RBM) with the AFM topography at the measuring point. The frequency of the G- mode behaves differently in TERS as compared to far-field Raman. Using the RBM frequency, the diameters of the tubes were calculated and a very good agreement with the G- -mode frequency was observed.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:10974
Deposited By:JNCASR
Deposited On:16 Jul 2011 05:23
Last Modified:16 Jul 2011 05:23

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