Fabrication of highly ordered nanoporous alumina films by stable high-field anodization

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Abstract

Stable high-field anodization (1500-4000Am-2) for the fabrication of highly ordered porous anodic alumina films has been realized in a H3PO4-H2O-C2H5OH system. By maintaining the self-ordering voltage and adjusting the anodizing current density, high-quality self-ordered alumina films with a controllable inter-pore distance over a large range are achieved. The high anodizing current densities lead to high-speed film growth (4-10νmmin-1). The inter-pore distance is not solely dependent on the anodizing voltage, but is also influenced by the anodizing current density. This approach is simple and cost-effective, and is of great value for applications in diverse areas of nanotechnology. © 2006 IOP Publishing Ltd.

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Li, Y., Zheng, M., Ma, L., & Shen, W. (2006). Fabrication of highly ordered nanoporous alumina films by stable high-field anodization. In Nanotechnology (Vol. 17, pp. 5101–5105). https://doi.org/10.1088/0957-4484/17/20/010

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