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Maximal power output by solar cells with angular confinement

 
: Höhn, O.; Kraus, T.; Bauhuis, G.; Schwarz, U.T.; Bläsi, B.

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Fulltext urn:nbn:de:0011-n-2908233 (1.1 MByte PDF)
MD5 Fingerprint: db21bf4f4c13a7bc1225b5750ff0965c
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-103-A715&origin=search. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Created on: 27.6.2014


Optics Express 22 (2014), No.S3, pp.A715-A722
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer ISE ()
Solarthermie und Optik; III-V und Konzentrator Photovoltaik; Farbstoff; Organische und Neuartige Solarzellen; III-V Epitaxie und Solarzellen; Photonenmanagement

Abstract
Angularly selective filters can increase the efficiency of radiatively limited solar cells. A restriction of the acceptance angle is linked to the kind of utilizable solar spectrum (global or direct radiation). This has to be considered when calculating the potential enhancement of both the efficiency and the power output. In this paper, different concepts to realize angularly selective filters are compared regarding their limits for efficiency and power output per unit area. First experimental results of a promising system based on a thin-film filter as the angularly selective element are given to demonstrate the practical relevance of such systems.

: http://publica.fraunhofer.de/documents/N-290823.html