Issue 9, 2010
From the journal:

Journal of Materials Chemistry

Competitive growth of branched channels inside AAOmembranes

Chen Shuoshuo,a   Ling Zhiyuan,*a   Hu Xing,a   Yang Huia  and  Li Yia  

* Corresponding authors

a Department of Electronic Materials Science and Engineering, College of Materials Science and Engineering, South China University of Technology, Guangzhou, People's Republic of China
E-mail: imzyling@scut.edu.cn

Abstract

A competitive model accounting for the growth of branched channels inside AAO membranes is proposed in this paper. According to this model, two types of competition which originate from the non-uniform thinning of stem channel barrier layers result in the tree-like morphology of branched channels. Furthermore, competitive growth can be suppressed or eliminated by thinning the barrier layers of stem channels before the second step anodization. Experimental results have confirmed this growth model and indicate that controllable uniform branched channels on a large scale can be obtained by the assistant of moderate chemical etching to adjust the starting thickness of the barrier layers.

Graphical abstract: Competitive growth of branched channels inside AAO membranes

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Article information

DOI
https://doi.org/10.1039/B918343D
Article type
Paper
Submitted
07 Sep 2009
Accepted
01 Dec 2009
First published
14 Jan 2010

J. Mater. Chem., 2010,20, 1794-1798

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Competitive growth of branched channels inside AAO membranes

C. Shuoshuo, L. Zhiyuan, H. Xing, Y. Hui and L. Yi, J. Mater. Chem., 2010, 20, 1794 DOI: 10.1039/B918343D

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