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Proceedings Paper

Controlling optical absorption in metamaterial absorbers for plasmonic solar cells
Author(s): Wyatt Adams; Ankit Vora; Jephias Gwamuri; Joshua M. Pearce; Durdu Ö. Güney
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Paper Abstract

Metals in the plasmonic metamaterial absorbers for photovoltaics constitute undesired resistive heating. However, tailoring the geometric skin depth of metals can minimize resistive losses while maximizing the optical absorbance in the active semiconductors of the photovoltaic device. Considering experimental permittivity data for InxGa1-xN, absorbance in the semiconductor layers of the photovoltaic device can reach above 90%. The results here also provides guidance to compare the performance of different semiconductor materials. This skin depth engineering approach can also be applied to other optoelectronic devices, where optimizing the device performance demands minimizing resistive losses and power consumption, such as photodetectors, laser diodes, and light emitting diodes.

Paper Details

Date Published: 31 August 2015
PDF: 8 pages
Proc. SPIE 9546, Active Photonic Materials VII, 95461M (31 August 2015); doi: 10.1117/12.2190396
Show Author Affiliations
Wyatt Adams, Michigan Technological Univ. (United States)
Ankit Vora, Michigan Technological Univ. (United States)
Jephias Gwamuri, Michigan Technological Univ. (United States)
Joshua M. Pearce, Michigan Technological Univ. (United States)
Durdu Ö. Güney, Michigan Technological Univ. (United States)

Published in SPIE Proceedings Vol. 9546:
Active Photonic Materials VII
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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