Preparation of Flower-Like Silica Microstructures

Wen Qi Wang; Zhen Sheng Peng

doi:10.4028/www.scientific.net/AMR.123-125.1295

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Preparation of Flower-Like Silica Microstructures
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 123-125Preparation of Flower-Like Silica Microstructures

Preparation of Flower-Like Silica Microstructures

Abstract:

Novel flower-like silica microstructures have been synthesized through heating silicon, silicon monoxide and active carbon mixed powders under an H2/Ar (3%) atmosphere at 1050°C without assistance of any metal catalyst. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM) and energy dispersive x-ray spectrometer (EDS) analyses reveal that the wires are amorphous and consist only of silicon oxide, generated from the reaction of CO with SiC. A possible growth model based on both of vapor-solid (VS) and the Oxide-assisted growth (OAG) mechanism has been supposed here to explain this phenomenon.

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Advanced Materials Research (Volumes 123-125)

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1295-1298

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.123-125.1295

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Online since:

August 2010

Authors:

Wen Qi Wang, Zhen Sheng Peng

Keywords:

Flower-Like, Silica Nanostructures, Thermal Evaporation

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