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Ultra thin and ultra long SiC/SiO2 nanocables from catalytic pyrolysis of poly(dimethyl siloxane)

K F Cai1,3, A X Zhang1 and J L Yin2

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SiC/SiO2 nanocables were synthesized by pyrolysis of poly(dimethyl siloxane) using ferrocene as a catalyst precursor at ~1050 °C in Ar. The as-grown product was characterized by x-ray diffraction, scanning electron microscopy, transmission electron microscopy and high-resolution electron microscopy. The length of the nanocables is in the millimeter range and the diameter of most nanocables is in the range of about 5–10 nm. The vapor–liquid–solid (VLS) mechanism was proposed to elucidate the growth process of the nanocables.


PACS

81.16.Hc Catalytic methods

61.46.-w Structure of nanoscale materials

81.07.-b Nanoscale materials and structures: fabrication and characterization

Subjects

Nanoscale science and low-D systems

Dates

Issue 48 (5 December 2007)

Received 6 March 2007, in final form 4 August 2007

Published 1 November 2007



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