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Asian Journal of Materials Science
  Year: 2010 | Volume: 2 | Issue: 2 | Page No.: 63-68
DOI: 10.3923/ajmskr.2010.63.68
 
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A Novel Process to Produce Nano Porous Aluminum Oxide Using Alkaline Sodium Phosphate Electrolyte

A.O. Araoyinbo, M.N. Ahmad Fauzi, S. Sreekantan and A. Aziz

Abstract:
In this study, we report the fabrication of nano porous aluminum oxide film for the first time, in alkaline sodium phosphate electrolyte at ambient temperature using a single step anodization approach. A novel method has been developed to prepare the electrolyte, by simply titrating the phosphoric acid with a base for preparation of new types of Anodized Aluminum Oxide (AAO) at pH 13. The anodization process was controlled by a dc voltage of 20 V applied across the electrochemical cell. Using this method, we have been able to obtain nano porous aluminum oxide with pore diameters between 50-100 nm. Apart from the influence of the current density, traces of sodium and phosphorus present in the porous alumina also makes a significant contribution to the formation of nano pores.
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How to cite this article:

A.O. Araoyinbo, M.N. Ahmad Fauzi, S. Sreekantan and A. Aziz, 2010. A Novel Process to Produce Nano Porous Aluminum Oxide Using Alkaline Sodium Phosphate Electrolyte. Asian Journal of Materials Science, 2: 63-68.

DOI: 10.3923/ajmskr.2010.63.68

URL: https://scialert.net/abstract/?doi=ajmskr.2010.63.68

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