Design of two-dimensional/three-dimensional composite porous alumina by colloidal crystal templating and subsequent anodization

被引：11

作者：

Asoh, H ^{[1
]}

Ono, S ^{[1
]}

机构：

[1] Kogakuin Univ, Dept Appl Chem, Shinjuku Ku, Tokyo 1638677, Japan

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 10期

关键词：

D O I：

10.1063/1.2037199

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The unique two-dimensional/three-dimensional composite porous alumina structure, which consisted of the outer inverse opal structure and the inner parallel channel array structure formed on an Al substrate, has been fabricated using a combination process involving colloidal crystal templating and subsequent multistep anodization. The pore periodicity and film thickness of the sophisticated porous structure presented here can be easily controlled by changing the diameter of spherical colloidal particles used as templates and adjusting the anodization conditions, such as voltage and time. The resulting porous materials can potentially find applications as catalytic supports, separation media, optical devices, and sensors. (c) 2005 American Institute of Physics.

引用

页数：3

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