Pattern and Feature Designed Growth of ZnO Nanowire Arrays for Vertical Devices

An approach is demonstrated for growing aligned ZnO nanowire/nanorod arrays following a predesigned pattern and feature with controlled site, shape, distribution, and orientation. The technique relies on an integration of atomic force microscopy (AFM) nanomachining with catalytically activated vapor...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2006-01, Vol.110 (1), p.50-53
Main Authors: He, Jr H, Hsu, Ju H, Wang, Chun W, Lin, Heh N, Chen, Lih J, Wang, Zhong L
Format: Article
Language:English
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Summary:An approach is demonstrated for growing aligned ZnO nanowire/nanorod arrays following a predesigned pattern and feature with controlled site, shape, distribution, and orientation. The technique relies on an integration of atomic force microscopy (AFM) nanomachining with catalytically activated vapor−liquid−solid (VLS) growth. The pattern and growth locations are defined by the catalyst distribution created by AFM, and the orientation is determined by the epitaxial growth on a single-crystal substrate. The technique opens a variety of possibilities of using nanowire arrays as sensor arrays, piezoelectric antenna arrays, nanolasers, photonic band gap crystal, biosensors, and field emitters with controlled density, location, shape, and distribution according to a designed pattern and feature.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp055180j