Growth of Carbon Nanotubes on Quartz Plates by Chemical Vapor Deposition Using (Ni, Fe)-Phthalocyanines.

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  • Araki Hisashi
    Department of Electronic Engineering, Graduate School of Engineering, Osaka University, 2–1 Yamada–oka, Suita, Osaka 565–0871, Japan Institute for Fundamental Chemistry, 34–4 Takano–nishihiraki–cho, Sakyo–ku, Kyoto 606–8103, Japan
  • Kajii Hirotake
    Department of Electronic Engineering, Graduate School of Engineering, Osaka University, 2–1 Yamada–oka, Suita, Osaka 565–0871, Japan
  • Yoshino Katsumi
    Department of Electronic Engineering, Graduate School of Engineering, Osaka University, 2–1 Yamada–oka, Suita, Osaka 565–0871, Japan Institute for Fundamental Chemistry, 34–4 Takano–nishihiraki–cho, Sakyo–ku, Kyoto 606–8103, Japan

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Carbon multiwall nanotubes were formed on quartz plates by vacuum chemical vapor deposition at 700°C using (Ni, Fe)-phthalocyanines (Pcs) as source materials. From FePc, two types of nanotubes were obtained. The first were the usual tubes whose tips were coiled, as obtained from NiPc, and the second were straight bundles of tubes of equal length shaped like winter mushrooms. Most of the mushroom shaped tubes strongly adhered to the substrate in contrast to the usual tubes. This adhesion was inferred to be induced by the contents (Fe metal) inside the base of the tube.

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