Synthesis of carbon coated silica nanowires

Carbon coated silica nanowire hybrid structures were directly synthesized by a chemical vapor deposition method using ethanol as the precursor. The morphology and structural properties of the nanostructures were investigated. It was found that, in the sample prepared at a relative lower temperature...

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Bibliographic Details
Published in:Materials chemistry and physics 2010-11, Vol.124 (1), p.88-91
Main Authors: Zhu, Jiangtao, Kwong, Fung-luen, Lei, Ming, Ng, Dickon H.L.
Format: Article
Language:English
Subjects:
Chemical vapor deposition
Electron microscopy
Microstructure
Nanostructures
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Summary:Carbon coated silica nanowire hybrid structures were directly synthesized by a chemical vapor deposition method using ethanol as the precursor. The morphology and structural properties of the nanostructures were investigated. It was found that, in the sample prepared at a relative lower temperature (1185 °C), the carbon shell was composed of orderly graphitic layers, whereas the carbon shell on those fabricated at higher temperature (1236 °C) was amorphous. Moreover, the thickness of the amorphous carbon shell increased with increasing reaction temperature and reaction time.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2010.05.071