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Quasiperiodic plasmonic concentrators for enhanced light absorption in ultra-thin film solar cells

Published online by Cambridge University Press:  15 February 2013

Patrick W. Flanigan ,
Aminy E. Ostfeld ,
Zhen Ye ,
Natalie G. Serrino  and
Domenico Pacifici
Patrick W. Flanigan
Affiliation:
School of Engineering, Brown University, 184 Hope Street, Providence, RI 02912, U.S.A.
Aminy E. Ostfeld
Affiliation:
School of Engineering, Brown University, 184 Hope Street, Providence, RI 02912, U.S.A.
Zhen Ye
Affiliation:
School of Engineering, Brown University, 184 Hope Street, Providence, RI 02912, U.S.A.
Natalie G. Serrino
Affiliation:
School of Engineering, Brown University, 184 Hope Street, Providence, RI 02912, U.S.A.
Domenico Pacifici
Affiliation:
School of Engineering, Brown University, 184 Hope Street, Providence, RI 02912, U.S.A.
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Abstract

This report will demonstrate broadband, wide-angle, and polarization-insensitive absorption enhancement in ultra-thin films resting on metal substrates that have been etched with arrays of shallow sub-wavelength cylindrical holes. Absorption enhancement will be studied as a function of array geometry, with particular emphasis given to quasiperiodic arrays (a class of deterministic aperiodic arrays that were originally developed to tessellate 2-D planes with regular polygons). Through simulations and experimental data, it was found that absorption enhancement is heavily dependent on the rotational symmetry of the pattern of holes, as well as the inter-hole distance.

Keywords

photovoltaicthin filmorganic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1493: Symposium E/H – Photovoltaic Technologies, Devices and Systems Based on Inorganic Materials, Small Organic Molecules and Hybrids , 2013 , pp. 323 - 328
Copyright
Copyright © Materials Research Society 2013 

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References

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