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Hexagonal-arranged ZnO Nanowire Arrays by Using Au Nanohole Membranes as Fabrication Template

Published online by Cambridge University Press:  01 February 2011

H. J. Fan ,
W. Lee ,
K. Nielsch ,
M. Zacharias ,
A. Dadgar  and
A. Krost
H. J. Fan
Affiliation:
Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
W. Lee
Affiliation:
Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
K. Nielsch
Affiliation:
Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
M. Zacharias
Affiliation:
Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
A. Dadgar
Affiliation:
Institute of Experimental Physics, Otto-von-Guericke-University, postbox 2410, 39016 Magdeburg, Germany
A. Krost
Affiliation:
Institute of Experimental Physics, Otto-von-Guericke-University, postbox 2410, 39016 Magdeburg, Germany
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Abstract

A new template method for large-scale fabrication of hexagonally patterned and vertically aligned ZnO nanowires is demonstrated. The process involves a novel type of metal membrane, a gold catalyst template produced using the membrane as deposition mask, and the catalyst-guided growth of ZnO nanowires. The metal membranes, composed of hexagonal nanohole arrays, are electrochemically replicated from ordered porous alumina. The ZnO nanowires obtained have a uniform alignment perpendicular to the GaN surface and a distribution according to the pattern defined by the nanohole membrane. Such periodically arranged ZnO nanowires have potential applications as sensor arrays and piezoelectric transducers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 849: Symposium KK – Kinetics-Driven Nanopatterning on Surfaces , 2004 , KK7.10
Copyright
Copyright © Materials Research Society 2005

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References

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