Abstract

In this paper, we adopted a voltage compensation mode and prepared a porous anodic alumina oxidation template with very uniform pore diameter even when the pore length reaches to 60μm. This compensation voltage mode can effectively compensate the uneveness of the pore size caused by ion concentration decrease at the bottom of the pores directly involved in the anodic oxidation in the continuously growing process of holes, and the chemical corrosion effect of the pre-formed hole by electrolyte. This very uniform pore diameter alumina oxidation template will be helpful for further studies on the properties related to diameter of nanowires.

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