Fabrication of highly ordered pore array in anodic aluminum oxide
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- Title
- Fabrication of highly ordered pore array in anodic aluminum oxide
- Authors
- Hwang, SK; Jeong, SH; Hwang, HY; Lee, OJ; Lee, KH
- Date Issued
- 2002-05
- Publisher
- KOREAN INST CHEM ENGINEERS
- Abstract
- Highly ordered pore array in anodic aluminum oxide was fabricated by anodizing pure aluminum. The order of a pore array was affected by anodizing voltage, electrolyte temperature, and first anodizing time. A regular pore array with mean diameter of 24 nm and interpore distance of 109 rim could be formed by two-step anodization at 40 V, oxalic acid concentration of 0.3 M and electrolyte temperature of 15 degreesC. The measured interpore distance showed linearity with anodizing voltage. The diameter of pores was adjusted by pore widening treatment in a 5 wt% phosphoric acid solution at 30degreesC after two step anodization. The mechanism of self-arrangement of pores could be explained by the repulsive interaction between the pore walls.
- Keywords
- anodic aluminum oxide; self-organization; pore array; SELF-ORGANIZED FORMATION; INTERPORE DISTANCE; NANOWIRES; TRANSISTORS; GROWTH
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19049
- DOI
- 10.1007/BF02697158
- ISSN
- 0256-1115
- Article Type
- Article
- Citation
- KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 19, no. 3, page. 467 - 473, 2002-05
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