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Journal of Nanomaterials
Volume 2015, Article ID 561586, 6 pages
http://dx.doi.org/10.1155/2015/561586
Research Article

Fabrication of an Antireflective Nanodome Array with High Packing Density for Photovoltaic Applications

1School of Mechanical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea
2School of Mechanical Engineering, Chung-Ang University, Seoul 156-756, Republic of Korea

Received 22 May 2015; Revised 23 July 2015; Accepted 26 July 2015

Academic Editor: Xiaogang Han

Copyright © 2015 Jiseok Lim 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.

Abstract

This paper describes a nanofabrication method for an antireflective nanodome array with high packing density. The master for the close packed nanodome array was fabricated by industrially well-established photolithography and physical vapor deposition processes to realize uniform and defect-free nanostructure in large area. The nanodome array was formed on the surface of a glass plate by a nanoimprinting process using the replicated mold from the master with the aim of reducing the Fresnel reflection of the glass surface. The replication fidelity was verified using scanning electron microscopy and the nanodome structured glass substrate showed ~3% increase in optical transmittance.