Fabrication of moth eye structures via charged nanoparticle lithography with size and density control

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We have developed and demonstrated an effective method for fabricating the moth eye structures formed by charged nanoparticle lithography (cNPL). We attached high-density gold nanoparticles (Au NPs) to GaN without aggregation by making the surface of Au NPs negatively charged and GaN positively charged. Au NPs were effectively used as an etching mask, and the moth eye structures of GaN were formed by inductively coupled plasma reactive ion etching. The moth eye structures with various sizes and densities were fabricated by the cNPL, and the moth eye structures reduced the reflectance. The cNPL, as a simple technique with size and density control, will provide high potential to optical device applications. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2011-01
Language
English
Article Type
Article
Keywords

LIGHT-EMITTING-DIODES; EXTRACTION EFFICIENCY; SOLAR-CELLS; IMPROVEMENT

Citation

THIN SOLID FILMS, v.519, no.7, pp.2251 - 2254

ISSN
0040-6090
DOI
10.1016/j.tsf.2010.10.057
URI
http://hdl.handle.net/10203/97032
Appears in Collection
PH-Journal Papers(저널논문)
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