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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 22, Iss. S3 — May. 5, 2014
  • pp: A715–A722

Maximal power output by solar cells with angular confinement

Oliver Höhn, Tobias Kraus, Gerard Bauhuis, Ulrich T. Schwarz, and Benedikt Bläsi  »View Author Affiliations


Optics Express, Vol. 22, Issue S3, pp. A715-A722 (2014)
http://dx.doi.org/10.1364/OE.22.00A715


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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.

© 2014 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(160.6000) Materials : Semiconductor materials
(230.2090) Optical devices : Electro-optical devices
(250.5230) Optoelectronics : Photoluminescence
(310.1620) Thin films : Interference coatings
(350.6050) Other areas of optics : Solar energy

ToC Category:
Light Trapping for Photovoltaics

History
Original Manuscript: December 12, 2013
Revised Manuscript: January 23, 2014
Manuscript Accepted: February 24, 2014
Published: March 28, 2014

Citation
Oliver Höhn, Tobias Kraus, Gerard Bauhuis, Ulrich T. Schwarz, and Benedikt Bläsi, "Maximal power output by solar cells with angular confinement," Opt. Express 22, A715-A722 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-S3-A715


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