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International Journal of Photoenergy
Volume 2014 (2014), Article ID 302075, 5 pages
Research Article

Fabrication of a Zinc Aluminum Oxide Nanowire Array Photoelectrode for a Solar Cell Using a High Vacuum Die Casting Technique

1Department of Industrial Education, National Taiwan Normal University, Taipei 10610, Taiwan
2Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 31040, Taiwan

Received 7 March 2014; Accepted 14 April 2014; Published 6 May 2014

Academic Editor: Chao-Rong Chen

Copyright © 2014 Chin-Guo Kuo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Zinc aluminum alloy nanowire was fabricated by the vacuum die casting. Zinc aluminum alloy was melted, injected into nanomold under a hydraulic pressure, and solidified as nanowire shape. Nanomold was prepared by etching aluminum sheet with a purity of 99.7 wt.% in oxalic acid solution. A nanochannel within nanomold had a pore diameter of 80 nm and a thickness of 40 μm. Microstructure and characteristic analysis of the alumina nanomold and zinc-aluminum nanowire were performed by scanning electron microscope, X-ray diffraction analysis, and energy dispersive X-ray spectroscopy. Zinc aluminum oxide nanowire array was produced using the thermal oxidation method and designed for the photoelectrode application.