Influence of Different Processing Parameters on the Structure of Anodic Aluminum Oxide Membrane

Abstract:

Oxide membranes are one kind of porous materials with many nano-sized pores. In our work, the two-step anodization method was used to fabricate Anodic aluminum oxide (AAO) membranes. The surface, cross-section micrographs and chemical composition were analyzed by field emission scanning electron microscopy (FESEM). From the FESEM micrographs, it can be easily seen that the self-ordered hexagonal pore channels were parallel and perpendicular to the surface of membrane when AAO membrane was prepared in oxalic acid at 0.2mol/L for 4h. In addition, the biggest pore diameter was 78nm, and the thickness ranged from a few microns to tens of microns in the suitable preparation parameters.

• Periodical: Advanced Materials Research (Volumes 306-307)
• Pages: 1304-1310
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.306-307.1304
• Online since: August 2011
• Authors: Xiao Lin Sun, Ai Min Li, Wei Fang Dong, Kang Ning Sun, Ming Du, Wei Li Wang
• Keywords: Porous Alumina Membrance, Preparation, Processing Parameter, Two-Step Anodization

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