화학공학소재연구정보센터
Korean Journal of Materials Research, Vol.12, No.2, 121-128, February, 2002
양극산화법에 의한 나노와이어 제조I. 알루미나 나노 템플레이트의 특성
Preparation of Nano Wire by Anodic Oxidation I. Characteristics of Alumina Nano-Template by Anodic Oxidation
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Anodic alumina layer can be used as templates for preparation of nano-structured materials, because porous oxide layer on aluminum shows a uniform pore size and a high pore density. In order to find out possibility for template material to prepare nano wire, the effects of the anodic applied potential, anodic time and the temperature of electrolyte on pore diameter of anodic alumina layer were studied using SEM and AFM. The pore diameter of anodic alumina layer increased with applied anodic potential and electrolytic temperature. Especially, the pore diameter of anodic oxide layers formed in chromic acid can be well replicated by widening process in H 3 PO 4 solution.
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