ORDERED POROUS ANODIC ALUMINUM OXIDE FILMS MADE BY TWO-STEP ANODIZATION

Hansong Xue (), Huaji Li, Yu Yi and Huifang Hu
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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

Surface Review and Letters (SRL), 2007, vol. 14, issue 06, 1039-1045

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.

Keywords: Porous; anodic aluminum oxide; anodizing; two-step anodization (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07010603

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