Reproducible Growth of Ultralong ZnO Nanowire Arrays in the Metastable Supersaturated Solution

Vertical aligned ZnO nanowire arrays with a long length and high aspect ratio were prepared successfully in a metastable supersaturated solution which was formed by the introduction of aluminum-iso-propylate into the growth solution. Investigations on the growth revealed that ZnO nanowires were pref...

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Bibliographic Details
Published in:Crystal growth & design 2009-11, Vol.9 (11), p.4653-4659
Main Authors: Hua, Guomin, Tian, Yue, Yin, Liangliang, Zhang, Lide
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Methods of crystal growth
physics of crystal growth
Methods of nanofabrication
Nanoscale materials and structures: fabrication and characterization
Other topics in nanoscale materials and structures
Physics
Quantum wires
Theory and models of crystal growth
physics of crystal growth, crystal morphology and orientation
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Summary:Vertical aligned ZnO nanowire arrays with a long length and high aspect ratio were prepared successfully in a metastable supersaturated solution which was formed by the introduction of aluminum-iso-propylate into the growth solution. Investigations on the growth revealed that ZnO nanowires were preferentially grown along the c-axis in the metastable supersaturated solution and growth kinetics was subjected to reaction-limited growth. By the cyclic growth in the metastable supersaturated solution, the ZnO nanowire arrays with a length of 10 μm and aspect ratio of 70 could be prepared. The as-prepared ZnO nanowire arrays have potential applications in the next generation nanodevices.
ISSN:1528-7483
1528-7505
DOI:10.1021/cg900438c