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In relation to this article, we declare that there is no conflict of interest.
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Received February 2, 2012
Accepted August 2, 2012
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Preparation of anodic aluminum oxide (AAO) nano-template on silicon and its application to one-dimensional copper nano-pillar array formation

School of Chemical Engineering, Yeungnam University, 214-1, Dae-dong, Gyeongsan 712-749, Korea 1Center for Research Facilities, Yeungnam University, 214-1, Dae-dong, Gyeongsan 712-749, Korea
Korean Journal of Chemical Engineering, January 2013, 30(1), 221-227(7), 10.1007/s11814-012-0124-y
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Abstract

Anodized aluminum oxide (AAO) nanotemplates were prepared using the Al/Si substrates with an aluminum layer thickness of about 300 nm. A two-step anodization process was used to prepare an ordered porous alumina nanotemplate, and the pores of various sizes and depths were constructed electrochemically through anodic oxidation. The optimum morphological structure for large area application was constructed by adjusting the applied potential, temperature, time, and electrolyte concentration. SEM investigations showed that hexagonal-close-packed alumina nano-pore arrays were nicely constructed on Si substrate, having smooth wall morphologies and well-defined diameters. It is also reported that one dimensional copper nanopillars can be fabricated using the tunable nanopore sized AAO/Si template, by controlling the copper deposition process.

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