Photovoltaic Materials, Devices, and Technologies

Role of the spacer layer in plasmonic antireflection coatings comprised of gold or silver nanoparticles

[+] Author Affiliations
Tristan L. Temple

Macquarie University, MQ Photonics, Department of Physics and Astronomy, Sydney, NSW 2109, Australia

CSIRO Manufacturing Flagship, Bradfield Road, West Lindfield, NSW 2070, Australia

Svetlana Dligatch

CSIRO Manufacturing Flagship, Bradfield Road, West Lindfield, NSW 2070, Australia

J. Photon. Energy. 5(1), 053095 (Mar 12, 2015). doi:10.1117/1.JPE.5.053095
History: Received November 14, 2014; Accepted February 19, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Tristan L. Temple and Svetlana Dligatch
"Role of the spacer layer in plasmonic antireflection coatings comprised of gold or silver nanoparticles", J. Photon. Energy. 5(1), 053095 (Mar 12, 2015). ; http://dx.doi.org/10.1117/1.JPE.5.053095


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