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Ordered Porous Anodic Aluminum Oxide Films Made By Two-Step Anodization

Author

Listed:
  • HANSONG XUE

    (College of Mechanical Engineering, Chongqing University, Chongqing 400044, P. R. China)

  • HUAJI LI

    (College of Mechanical Engineering, Chongqing University, Chongqing 400044, P. R. China)

  • YU YI

    (College of Mechanical Engineering, Chongqing University, Chongqing 400044, P. R. China)

  • HUIFANG HU

    (College of Mechanical Engineering, Chongqing University, Chongqing 400044, P. R. China)

Abstract

Porous Anodic Aluminum Oxide (AAO) films were prepared by two-step anodizing in sulfuric and oxalic acid solutions and observed by transmission electron microscope (TEM) and X-ray diffraction. The results show that the form of AAO film is affected by the varieties and concentrations of electrolyte, anodizing voltage, and the anodizing time; the formation and evolution processes of the AAO film are relative with the anodizing voltage severely, and the appropriate voltage is helpful to the ordering of the holes. The formation of the AAO film could be explained based on the present experiment and some former models.

Suggested Citation

  • Hansong Xue & Huaji Li & Yu Yi & Huifang Hu, 2007. "Ordered Porous Anodic Aluminum Oxide Films Made By Two-Step Anodization," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 14(06), pages 1039-1045.
    • Handle: RePEc:wsi:srlxxx:v:14:y:2007:i:06:n:s0218625x07010603
    DOI: 10.1142/S0218625X07010603
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