Single domain graphite fibers of 50–500nm in diameter were prepared from a mesophase pitch mixed with a matrix polymer to form a polymeralloy. The alloy wasthen spun, stabilized,carbonized,and graphitized at 2900C. The carbonized fiber had a circular or Y-shaped
cross-section, but all of the graphitized carbon nanofiber (CNF) changed into an elliptical
cross-section with an aspect ratio (major axis/minor axis) of 2.47. The CNF consisted of
well-developed graphite layers ordered throughout the cross-section,as observed in a single
crystal and the layer edges formed loops consisting of 5–10 layers.
各種検索
サポート
ヘルプ