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Ultrafast self-catalytic growth of silicon carbide nanowires

Published online by Cambridge University Press:  12 December 2011

Andrzej Huczko*
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Agnieszka Dąbrowska
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Michał Soszyński
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Natalia Maryan
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Michał Bystrzejewski
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Piotr Baranowski
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Hubert Lange
Affiliation:
Laboratory of Physics and Chemistry of Nanomaterials, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland
Thomas Gemming
Affiliation:
Leibniz Institute for Solid State and Materials Research Dresden, D-01171 Dresden, Germany
Alicja Bachmatiuk
Affiliation:
Leibniz Institute for Solid State and Materials Research Dresden, D-01171 Dresden, Germany
Mark Rümmeli
Affiliation:
Leibniz Institute for Solid State and Materials Research Dresden, D-01171 Dresden, Germany
*
a)Address all correspondence to this author. e-mail: ahuczko@chem.uw.edu.pl
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Abstract

Silicon carbide nanowires (SiCNWs) (with diameters of tens of nanometer and aspect ratio well above 103), consisting of β-SiC one-dimensional single crystals wrapped in amorphous nitrogen-containing SiO2 sheaths, were efficiently synthesized in gram quantities by autogenous combustion synthesis using Si as a defluorination reagent of poly(tetrafluoroethylene). The combustion temperature was evaluated using the emission spectroscopy. Vapor–liquid–solid mechanism of a self-catalytic growth of the SiCNWs is proposed.

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Articles
Copyright
Copyright © Materials Research Society 2011

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References

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