Abstract

AbstractThe intermediate frequency modes (IFM) of HiPco single walled carbon nanotubes (SWCNT) were analyzed by in situ Raman spectroelectrochemistry. We demonstrate that dispersive and non‐dispersive IFM features show a different dependence on electrochemical charging. While during p ‐doping the dispersive IFM features exhibit much stronger shift than non‐dispersive IFM ones, during n ‐doping an opposite effect was observed. Therefore we propose the application of the Raman spectroelectrochemical method for the identification of dispersive and non‐dispersive features using only one laser energy excitation. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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