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GaAs photovoltaic cells for laser power beaming at high power densities

: Riesen, S. van; Schubert, U.; Bett, A.W.

Fulltext urn:nbn:de:0011-n-2689254 (235 KByte PDF)
MD5 Fingerprint: 1687a41ea13edf198898878cb1e51788
Created on: 5.12.2013

McNelis, B.:
17th European Photovoltaic Solar Energy Conference 2001. Vol.1 : Proceedings of the international conference held in Munich, Germany, 22 - 26, October 2001
München: WIP, 2002
ISBN: 3-936338-07-8
ISBN: 88-900442-3-3
European Photovoltaic Solar Energy Conference <17, 2001, München>
Conference Paper, Electronic Publication
Fraunhofer ISE ()

GaAs photovoltaic cells for laser power beaming applications wre developed and examined. The main focus of this work was to improve the efficiency at high power densities. A maximum monochromatic efficiency of 50.2% at G=6.5 W/cm2 was achieved. At higher incident power densities of G=42 W/cm2 still an efficiency of 44% was determined. A precise determination of the dark and illuminted series resistance was preformed to characterize the cells. The influence of distributed series resisstance effects is discussed and possibilities for further improvment are identified.