有機無機複合体を前駆体としたアルミナナノ繊維の形成と利用
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概要
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Poly(vinyl alcohol) (PVA)/boehmite composite nanofibers (precursor) were formed by electrospinning using a PVA aqueous solution of dispersed boehmite nanoparticles as the spinning solution. The alumina nanofibers were obtained by calcination of the precursors between 500 to 1200 °C. The diameter of the alumina nanofibers was not affected by the calcination temperature of the precursors. The pore characteristics (specific surface area and pore volume) of the alumina nanofibers decreased with increased calcination temperature due to the sintering, and non-porous α-alumina nanofibers were obtained by calcination of the precursors at 1200 °C.