Highly ordered anodic alumina nanotemplate with about 14 nm diameter |
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Authors: | Tae-Yong Kim Soo-Hwan Jeong |
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Affiliation: | (1) Department of Chemical Engineering, Kyungpook National University, Daegu, 702-701, Korea |
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Abstract: | A novel method for the fabrication of highly ordered nanopore arrays with very small diameter of 14 nm was demonstrated by
using low-temperature anodization. Two-step anodization was carried out at 25 V, sulfuric acid concentration of 0.3 M, and
electrolyte temperature of −15 °C. After anodization, a regular pore array with mean diameter of 14 nm and interpore distance
of 65 nm was formed. The pore diameter and regular arrangement were confirmed by scanning electron microscopy (SEM) and fast
Fourier transformation (FFT), respectively. The present results strongly suggest that the diameter of pores in a highly ordered
alumina template can be reduced by lowering the anodization temperature. |
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Keywords: | Porous Alumina Anodization Pore Diameter Pore Arrangement |
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