A SYNTHESIS OF SILICA NANOFIBERS BY CURRENT HEATING TECHNIQUE
Keywords:
Silica nanofiber, Current heating technique, Microstructure, scanning electron microscopeAbstract
This study aimed to find the optimum conditions for synthesis silica nanofibers from the mixture of graphite and silicon dioxide. The ratio of silicon dioxide at 10%, 20%, 30% and 40% by weight were used. A current heating technique was use for synthesis silica nanofibers in inert gas. A chemical composition and microstructure of silica nanofibers were characterization by X-ray diffractometry (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). It was found that, silica nanofibers were smooth and long, diameter about 50-90 nm and the length more than 20 µm were obtained. At 20 wt% of silicon dioxide is the best condition for synthesis silica nanofiber. Because of, the maximum amount of synthesized nanofibers is 10 percent.
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