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Electrochemical Charging of Individual Single-Walled Carbon Nanotubes
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SYSNO ASEP 0329762 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Electrochemical Charging of Individual Single-Walled Carbon Nanotubes Title Elektrochemické nabíjení individuálních jednostěnných uhlíkových nanotub Author(s) Kalbáč, Martin (UFCH-W) RID, ORCID
Farhat, H. (US)
Kavan, Ladislav (UFCH-W) RID, ORCID
Kong, J. (US)
Sasaki, K. (JP)
Saito, R. (JP)
Dresselhaus, M. S. (US)Source Title ACS Nano. - : American Chemical Society - ISSN 1936-0851
Roč. 3, č. 8 (2009), s. 2320-2328Number of pages 9 s. Language eng - English Country US - United States Keywords single-walled carbon nanotubes ; Raman spectroscopy ; electrochemical gating ; spectroelectrochemistry Subject RIV CG - Electrochemistry R&D Projects GC203/07/J067 GA ČR - Czech Science Foundation (CSF) IAA400400804 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IAA400400911 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) KAN200100801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) ME09060 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000269145000038 DOI 10.1021/nn9004318 Annotation The influence of the electrode potential on the electronic structure of individual single-walled carbon nanotubes is studied using Raman spectroscopy. By analyzing the radial breathing mode intensity versus electrode potential profiles in the Raman spectra at many different laser excitation energies, we show that the charging of individual carbon nanotubes causes a broadening of the resonant Raman profiles (resonance window). This effect is observed for both a semiconducting and a metallic tube. The broadening of the resonance Raman profiles already begins at potentials where the first electronic states of a particular tube are filled or depleted, The important consequence of this effect is a striking difference between the Raman intensity versus potential profiles of metallic and semiconducting tubes. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2010
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