Formation of Decacyclene Nanowire by Rapid Vapor Deposition

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Rapid vapor deposition of decacyclene, a polycyclic aromatic compound, on any substrate except for graphite has been found to produce cylindrical nanowires of decacyclene with uniform diameters of 40–70 nm and lengths of 1–10 μm that are further converted to conducting carbon nanofibers by ion beam irradiation. Detailed observation of the nanowires prepared under various conditions reveals that the nanowires grow on the surface of supercooled liquid droplets that are generated on the substrate by rapid condensation of decacyclene vapor. The nanowires grow toward the vacuum while keeping the growth plane beneath the surface. A controlling factor that keeps the diameter of each nanowire constant is the difference of the wettability between the growth plane and the lateral wall of the nanowire. Although the growth plane is always attached to the liquid due to the attractive interaction with the liquid, because of the repulsive interaction of the lateral wall with the liquid, the growing layer starts to emerge from the surface once the growing layer entirely covers the overlaying layer. The radial growth is very fast at the initial stage of nanowire formation, so that the diameter of the growing layer successively increases until the maximum diameter is attained. The nanowire is therefore cylindrical with a hemispherical tip.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes  

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 46(2), 703-707, 2007-02-15 

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10018545473
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    8651622
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  JSAP 
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