Electrochemical gating of individual single-wall carbon nanotubes observed by electron transport measurements and resonant Raman spectroscopy

S. B. Cronin*, R. Barnett, M. Tinkham, S. G. Chou, O. Rabin, M. S. Dresselhaus, A. K. Swan, M. S. Ünlü, B. B. Goldberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

The Raman measurements of electrochemically gated single wall carbon nanotubes (SWNT) were studied. Significant changes in the electronic transport properties and phonon spectra were observed by applying a voltage between an individual SWNT and a reference electrode in an electrolyte. A large decrease in the intensity of the tangential phonon mode of a SWNT and a significant upshift in frequency for positive and negative applied electrochemical gate voltages was also observed. It was shown that both the vibrational and electronic properties of SWNT could be appreciably changed by measuring both Raman and electron transport as a function of electrochemical gating.

Original languageEnglish (US)
Pages (from-to)2052-2054
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number12
DOIs
StatePublished - Mar 22 2004

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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