Formation of niobium oxide and carbide nanofibers from poly(vinyl alcohol)/niobium oxide composite nanofibers

被引：0
|
作者：
Koji Nakane
Michiko Morinaga
Nobuo Ogata
机构：
[1] University of Fukui,Department of Materials Science and Engineering
来源：
Journal of Materials Science | 2013年 / 48卷
关键词：
Nb2O5; Vinyl Alcohol; Nanowire Array; Composite Nanofibers; Niobium Oxide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Poly(vinyl alcohol)-niobium oxide (Nb2O5) composite nanofibers (precursors) were formed by electrospinning employing water as a solvent for the spinning solution. The precursors were converted into Nb2O5 or carbide (NbC) nanofibers by heating them in air or Ar. Hexagonal Nb2O5 nanofibers with high-specific surface area were obtained by heat-treatment of the precursors in air. NbC nanofibers could be obtained below theoretical temperatures calculated from thermodynamics data, indicating that the precursor is a nano-scale mixture of Nb and carbon sources.
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页码：7774 / 7779
页数：5
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