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SERS study of single-walled carbon nanotubes on silver films deposited on different substrates
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2003 (English)In: Chemical Journal of Chinese Universities / Gao Deng Xue Xiao Hua Xue Xue Bao, ISSN (printed): 0251-0790, Vol. 24, no 6, 1285-1288 p.Article in journal (Refereed) Published
Abstract [en]

Surface-enhanced Raman scattering of single-walled carbon nanotubes (SWNTs) on silver films deposited on various substrates, including sapphire, quartz and glass, has been studied systematically. The characteristic features of G-band and D-band have been analyzed and compared with arc discharged and laser ablation samples. D-band is much more sensitive than G-band. The position and the intensity of the G-band in SERS spectra depend on substrates. The peak shift and absolute intensity of G-band on sapphire is obviously larger than that on glass. The contribution of high frequency vibrations to the D-band is also deendent on substrates. Compared to the SWNTs samples with a high semiconducting tube concentration, the sample with high metallic tube concentration has a stronger interaction with silver films.

Place, publisher, year, edition, pages
Chinese Electronic Periodical Services , 2003. Vol. 24, no 6, 1285-1288 p.
Keyword [en]
Single-walled carbon nanotubes, surface enhanced Raman scattering, SERS, silver films, substrate
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-18699OAI: diva2:174574

In Chinese with English summary.

Available from: 2009-02-23 Created: 2009-02-23 Last updated: 2015-09-28

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Yao, MingguangSundqvist, Bertil
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Department of Physics
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