Highly ordered anodic alumina nanotemplate with about 14 nm diameter

被引：10

作者：

Kim, Tae-Yong ^{[1
]}

Jeong, Soo-Hwan ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Dept Chem Engn, Taegu 702701, South Korea

来源：

KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2008年 / 25卷 / 03期

关键词：

porous alumina; anodization; pore diameter; pore arrangement;

D O I：

10.1007/s11814-008-0102-6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 degrees 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.

引用

页码：609 / 611

页数：3

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