Nanotech 2006 Vol. 3
Nanotech 2006 Vol. 3
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 3

Nanoscale Fabrication Chapter 2

Controlled Growth of Aligned ZnO Nanowires

Authors: S.H. Dalal, D.L. Baptista, K.B.K. Teo and W.I. Milne

Affilation: Cambridge University, United Kingdom

Pages: 178 - 181

Keywords: zinc oxide, nanowire

Abstract:
The present work reports a detailed investigation of the catalytic growth of aligned ZnO nanowires/rods through the control of parameters such as the Au catalyst layer thickness, pressure, deposition temperature, and oxygen ratio. The purpose is to achieve a controllable and reproductive process for ZnO aligned growth.<br>Overall, our work suggests that the conditions for aligned growth are basically determined by the concentration of Zn vapor on the sample and its possibility of being oxidized. A very specific amount of vapor is necessary to have the correct rate of growth, which then leads to having aligned wires. By controlling such parameters aligned nanowires/rods with different diameter and length can be grown reproducibly. The control of the aligned growth is crucial for the eminent use of ZnO nanowires in many technological applications.


ISBN: 0-9767985-8-1
Pages: 913
Hardcopy: $119.95

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