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A Study on the Preparation and Microstructure of the $BaTiO_3/SiO_2$ Composite Fibers  

Kim, Young-Un (BK21 FTIT, Department Organic Materials & Textile System Engineering, Chungnam National University)
Lee, Tae-Sang (BK21 FTIT, Department Organic Materials & Textile System Engineering, Chungnam National University)
Kim, Eui-Hwa (Korea Institute of Knit Industry)
Joo, Yong-L. (School of Chemical & Biomolecular Engineering, Cornell University)
Lee, Seung-Goo (BK21 FTIT, Department Organic Materials & Textile System Engineering, Chungnam National University)
Publication Information
Textile Science and Engineering / v.44, no.5, 2007 , pp. 274-279 More about this Journal
Abstract
In order to prepare neat barium titanate/silica ($BaTiO_3/SiO_2$) composite fibers, combined process of sol-gel synthesis and electrospinning was utilized. Electrospun composite fibers were subjected to the high temperature calcinations to fabricate the crystalline structure of $BaTiO_3$. The fraction of barium titanate to silica in fiber and the calcination temperature of fiber were varied. Prepared $BaTiO_3/SiO_2$ composite fibers have diameters of 500 nm to $3\;{\mu}m$ and show the neat surface morphology without any porous structure. Calcined composites fibers were characterized using powder X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier transform infrared spectroscopy (FT-IR).
Keywords
electrospinning; $BaTiO_3/SiO_2$ composite fiber; sol-gel process; crystal structure;
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