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Temperature coefficients of monolithic III-V triple-junction solar cells under different spectra and irradiance levels

: Fernández, E.F.; Siefer, G.; Schachtner, M.; García Loureiro, A.J.; Pérez-Higueras, P.


Dimroth, F.:
8th International Conference on Concentrating Photovoltaic Systems, CPV-8 : April 16-18, 2012, Toledo, Spain
Woodbury, NY: AIP Press, 2012 (AIP Conference Proceedings 1477)
ISBN: 978-0-7354-1086-2
ISSN: 0094-243X
International Conference on Concentrating Photovoltaic Systems (CPV) <8, 2012, Toledo>
Fraunhofer ISE ()

A complete set of temperature coefficients determined under controlled laboratory conditions is reported for a lattice-matched Ga0.50In 0.50P/Ga0.99In0.01As/Ge and metamorphic (MM) Ga0.35In0.65P/Ga0.83In0.17As/Ge triple-junction solar cell. The cells have been investigated at one sun condition at different temperatures and spectra in order to identify a possible influence of the spectrum on the temperature coefficients. At the same time, the cells have been investigated at different temperatures and concentration levels to study the behaviour of the temperature coefficients under concentration.