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https://hdl.handle.net/2440/84957
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Type: | Journal article |
Title: | Preparation of porous anodic alumina with periodically perforated pores |
Author: | Losic, D. Losic Jr, D. |
Citation: | Langmuir: the ACS journal of surfaces and colloids, 2009; 25(10):5426-5431 |
Publisher: | American Chemical Society |
Issue Date: | 2009 |
ISSN: | 0743-7463 1520-5827 |
Statement of Responsibility: | Dusan Losic and Dusan Losic, Jr. |
Abstract: | Anodization of aluminum is an excellent nonlithographic alternative to conventional fabrication approaches for low-cost and large-scale synthesis of a variety of nanostructured materials. In this work, the preparation of anodic alumina oxide (AAO) with unique three-dimensional (3D) porous structures that consist of periodically perforated nanopores is reported. The fabrication method combines electrochemical anodization of aluminum and chemical etching. The key feature of this process is cyclic anodization where an oscillatory current signal was applied to create AAO with periodically shaped pore structures. Spatially specific dissolution of the pore walls was directed by modulated pore structures during chemical etching to generate hexagonally ordered arrays of holes with periodic distribution across the pore length. |
Rights: | © 2009 American Chemical Society |
DOI: | 10.1021/la804281v |
Grant ID: | http://purl.org/au-research/grants/arc/DP0770930 |
Published version: | http://dx.doi.org/10.1021/la804281v |
Appears in Collections: | Aurora harvest 2 Chemical Engineering publications |
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