Synthesis of crystalline SiC nanofiber through the pyrolysis of polycarbomethylsilane coated platelet carbon nanofiber

SiC nanofiber with high crystallinity was synthesized through the pyrolysis of polycarbomethylsilane (PS) coated platelet carbon nanofiber (PCNF) over 700°C and burning PCNF under the oxidative atmosphere. The as-prepared β-SiC nanofiber exhibited a diameter less than 100nm and a medium surface area...

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Bibliographic Details
Published in:Applied surface science 2007-03, Vol.253 (10), p.4467-4471
Main Authors: Qiao, W.M., Lim, S.Y., Yoon, S.H., Mochida, I., Ling, L.C., Yang, J.H.
Format: Article
Language:English
Subjects:
Carbon nanofibers
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Microstructure
Physics
Pyrolysis
SiC nanofiber
X-ray diffraction
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Summary:SiC nanofiber with high crystallinity was synthesized through the pyrolysis of polycarbomethylsilane (PS) coated platelet carbon nanofiber (PCNF) over 700°C and burning PCNF under the oxidative atmosphere. The as-prepared β-SiC nanofiber exhibited a diameter less than 100nm and a medium surface area of 50m2/g. The crystallinity of silicon carbide (SiC) nanofiber increases with increasing heat-treatment temperature, showing the formation of high crystalline SiC nanofiber at 1400°C. PCNF can be used as a unique template to govern the shape, crystallinity and morphology of SiC.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2006.09.070