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Journal of Photonics for Energy

Role of the spacer layer in plasmonic antireflection coatings comprised of gold or silver nanoparticles
Author(s): Tristan L. Temple; Svetlana Dligatch
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Paper Abstract

Metal nanoparticles (NPs) can increase the absorption of light within semiconductors and hence improve the efficiency of solar cells. We experimentally investigate the effect that gold and silver NPs have on the reflectance of silicon wafers. The NPs are fabricated using the low cost, large area technique of thermal dewetting. We show that a dielectric spacer layer between the NPs and the semiconductor is required to achieve a net reduction of reflection. Furthermore, the optimum thickness of the spacer layer is found to be independent of NP size and metal type.

Paper Details

Date Published: 12 March 2015
PDF: 9 pages
J. Photon. Energy 5(1) 053095 doi: 10.1117/1.JPE.5.053095
Published in: Journal of Photonics for Energy Volume 5, Issue 1
Show Author Affiliations
Tristan L. Temple, Macquarie Univ. (Australia)
Commonwealth Scientific and Industrial Research Organisation (Australia)
Svetlana Dligatch, Commonwealth Scientific and Industrial Research Organisation (Australia)

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