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Nano Lett. 2005 Jul;5(7):1209-15.

Novel catalysts, room temperature, and the importance of oxygen for the synthesis of single-walled carbon nanotubes.

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  • 1Leibniz Institute for Solid State and Materials Research Dresden, IFW Dresden, P.O. Box 27016 D-01171 Dresden, Germany. m.ruemmeli@ifw-dresden.de

Abstract

In this letter, we show for the first time the use of metal oxides as catalysts in the synthesis of single-walled carbon nanotubes (SWCNTs) using laser ablation. Further, SWCNTs have been synthesized at low temperature (down to room temperature), where their nucleation cannot be explained via fullerene nucleation. The data point to a nucleation mechanism previously not identified, that places a stable oxidized ring as the root cause for the growth of SWCNTs.

PMID:
16178212
[PubMed - indexed for MEDLINE]
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