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Synthesis of crystalline SiC nanofiber through the pyrolysis of polycarbomethylsilane coated platelet carbon nanofiber |
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| Authors: | W.M. Qiao S.Y. Lim I. Mochida J.H. Yang |
| Affiliation: | a State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China b Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan c Department of Materials Science and Technology, Shanghai Institute of Technology, Shanghai 200235, China |
| Abstract: | 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 100 nm and a medium surface area of 50 m2/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. |
| Keywords: | Carbon nanofibers Pyrolysis X-ray diffraction Microstructure SiC nanofiber |
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