Formation of nickel oxide nanoribbons in the cavity of carbon nanotubes

Keitaro Matsui, Bhabendra K. Pradhan, Takashi Kyotani, Akira Tomita

    研究成果: Article査読

    74 被引用数 (Scopus)

    抄録

    An attempt was made to encapsulate nickel into the cavity of the carbon nanotubes, which were prepared by the pyrolytic carbon deposition on the nanochannels of anodic aluminum oxide film. For nickel loading, the MOCVD (metal organic chemical vapor deposition) method using nickelocene was applied to the carbon-coated nanochannels and then the nickel/carbon nanotube composites were liberated from the anodic oxide film by alkaline treatment. The resultant carbon nanotubes contained numerous numbers of NiO nanoribbons with about 4 nm thickness and 20 nm width. The length of the longest nanoribbon was about 800 nm. The crystal structure of the NiO nanoribbons was determined by using the electron diffraction technique. Furthermore, the mechanism of the nanoribbon formation was discussed in relation to the formation processes of the nickel/carbon nanotube composites.

    本文言語English
    ページ(範囲)5682-5688
    ページ数7
    ジャーナルJournal of Physical Chemistry B
    105
    24
    DOI
    出版ステータスPublished - 2001 6 21

    ASJC Scopus subject areas

    • 物理化学および理論化学
    • 表面、皮膜および薄膜
    • 材料化学

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