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Effects of silver films with different nano-particle sizes on SERS of single-walled carbon nanotubes
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2005 (English)In: Chemical Journal of the Chinese Universities, ISSN 0251-0790, Vol. 26, no 10, 1930-1933 p.Article in journal (Refereed) Published
Abstract [en]

Surface-enhanced Raman scattering (SERS) spectra of single-walled carbon nanotubes (SWCNTs) on silver films with different nano-particle sizes from 20 to 100 nm deposited on quartz and glass substrates were studied systematically. The characteristic Raman spectral features of SWCNT G-band and D-band were analyzed. The two bands show a similar tendency with the change of nano-particle size of silver on quartz and glass substrates. The position and the intensity of the G-band are less sensitive to the films' silver particle sizes in the studied range, indicating that hexagonal carbon rings are stable and have a weak interaction with silver films. The shape of the D-band depends on the silver size. The smaller the silver particle size, the more the contribution of high frequency vibrations to the D-band, indicating that disorder carbon has a strong interaction with the active silver films.

Place, publisher, year, edition, pages
2005. Vol. 26, no 10, 1930-1933 p.
Keyword [en]
Surface-enhanced Raman scattering, SERS, carbon nanotubes, silver film, silver nanoparticles
National Category
Condensed Matter Physics
URN: urn:nbn:se:umu:diva-12438OAI: diva2:152109

In Chinese with English abstract.

Available from: 2008-02-04 Created: 2008-02-04 Last updated: 2015-09-28Bibliographically approved

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Yao, MingguangSundqvist, Bertil
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Umeå University
Condensed Matter Physics

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