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Proceedings Paper

Angular confinement in solar cells: viable micro-optical designs
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Paper Abstract

Enhancing solar cell conversion efficiency by angular confinement of radiative emission (photoluminescence) requires a combination of (1) high external luminescent efficiency, and (2) optics that can substantially and efficiently limit the angular range of cell luminescence. After covering the basic principles and recent proposals for suitable micro-optics, we investigate an assortment of alternative micro-optical designs that can improve device compactness considerably, which would reduce the amount of material required and would ease micro-fabrication, while offering liberal optical tolerance and high collection efficiency.

Paper Details

Date Published: 5 September 2014
PDF: 7 pages
Proc. SPIE 9191, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XI, 91910F (5 September 2014); doi: 10.1117/12.2062566
Show Author Affiliations
Jeffrey M. Gordon, Ben-Gurion Univ. of the Negev (Israel)
Daniel Feuermann, Ben-Gurion Univ. of the Negev (Israel)
Heylal Mashaal, Ben-Gurion Univ of the Negev (Israel)

Published in SPIE Proceedings Vol. 9191:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XI
Roland Winston; Jeffrey M. Gordon, Editor(s)

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