Control of Nanohole Shapes of Anodic Porous Alumina and Its Applications

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  • MASUDA Hideki
    Department of Applied Chemistry, School of Engineering, Tokyo Metropolitan University Kanagawa Academy of Science and Technology
  • YANAGISHITA Takashi
    Kanagawa Academy of Science and Technology
  • NISHIO Kazuyuki
    Department of Applied Chemistry, School of Engineering, Tokyo Metropolitan University Kanagawa Academy of Science and Technology

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Other Title
  • 陽極酸化ポーラスアルミナにおける細孔ナノ形状の制御と応用
  • ヨウキョク サンカ ポーラスアルミナ ニ オケル サイコウ ナノ ケイジョウ ノ セイギョ ト オウヨウ

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Abstract

Anodic porous alumina, which is formed by anodization of Al in an appropriate acidic solution, has recently attracted increasing attention as a key material for fabrication of functional nanodevices due to its naturally occurring self-ordered structure. We describe here the fabrication of the anodic porous alumina with modified pore shapes and its applications for template processes. Highly ordered anodic porous alumina with square and triangular cross sections were prepared based on the control of the initiation site of the hole development. The preparation of initiation sites for the hole development was carried out by imprinting Al using a mold with a patterned array of convexes. The obtained anodic porous alumina with modified pore shapes is useful as templates for the fabrication of several types of nanostructures.

Journal

  • Hyomen Kagaku

    Hyomen Kagaku 25 (5), 260-264, 2004

    The Surface Science Society of Japan

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