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Synthesis of alkali-metal-doped C60 nanotubes
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2011 (English)In: Diamond and Related Materials: Proceedings of New Diamond and Nano Carbon Conference (NDNC 2010), 2011, Vol. vol. 20, issue 2, 93-96 p.Conference paper (Refereed)
Abstract [en]

C60 nanotubes have been synthesized by a solution–solution method. After degassing in a dynamic vacuum, the C60 nanotubes were doped with alkali metals by means of vapor evaporation method. Different temperatures have been studied to evaporate the alkali metals for the doping experiments. Raman spectrum was further employed to analyze the doping concentration of the obtained samples. It was found that all three alkali metals (Li, Na and K) used can be efficiently doped into the C60 nanotubes, forming AxC60 nanotubes. The doping concentration of Li, Na changed from low to high level, depending on the experiment temperatures, while K doping always gave saturated doping. The melt points, the ionic sizes and vapor pressures of alkali metals were thought to affect the final doping results.

Place, publisher, year, edition, pages
2011. Vol. vol. 20, issue 2, 93-96 p.
, Diamond and Related Materials, ISSN 0925-9635 ; Volume 20, issue 2
Keyword [en]
C60, fullerides, alkali metals, nanotubes, intercalation, Raman spectroscopy
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-39534DOI: 10.1016/j.diamond.2010.10.006ISI: 000288145500007OAI: diva2:393563
NDNC 2010 4th International Conference on New Diamond and Nano Carbons, May 16th-20th, 2010, Suzhou, China
Swedish Research Council, 621-2010-3732
Available from: 2011-01-31 Created: 2011-01-31 Last updated: 2015-09-28Bibliographically approved

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Yao, MingguangSundqvist, Bertil
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Department of Physics
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