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III-V multijunction solar cells - from current space and terrestrial products to modern cell architectures

: Meusel, M.; Bensch, W.; Fuhrmann, D.; Guter, W.; Kern, R.; Köstler, W.; Löckenhoff, R.; Strobl, G.; Kellenbenz, R.; Klinger, V.; Siefer, G.; Welser, E.; Dimroth, F.; Bett, A.W.

Volltext urn:nbn:de:0011-n-1567639 (686 KByte PDF)
MD5 Fingerprint: 5ca31e564a0b1a1e5bde7800c625d1e9
Erstellt am: 1.5.2015

European Commission:
25th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2010. Proceedings : 5th World Conference on Photovoltaic Energy Conversion, 6-10 , September 2010, Valencia, Spain
München: WIP-Renewable Energies, 2010
ISBN: 3-936338-26-4
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <25, 2010, Valencia>
World Conference on Photovoltaic Energy Conversion <5, 2010, Valencia>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Materialien - Solarzellen und Technologie; III-V und Konzentrator-Photovoltaik; Alternative Photovoltaik-Technologien; III-V Epitaxie und Solarzellen; Hochkonzentrierende Systeme (HCPV); III – V: Epitaxie Solarzellen und Bauelemente

The standard Ga0.5In0.5P/Ga0.99In0.01As/Ge triple-junction (3J) solar cell is reaching its practical average efficiency limit of 30% for AM0 and 40% under concentration (xAM1.5d) as can be observed for AZUR's latest products for space application (3G30) and CPV (4C40). In addition, AZUR SPACE has developed dense array modules (ADAM) for dish concentrator application. Regarding modern cell architectures, recent progress by Fraunhofer ISE and AZUR SPACE is reported, including improved GaInNAs subcells for lattice-matched 4J and 6J solar cells, 3J MQW cells reaching 30% AM0 efficiency, continuous work on upright metamorphic 3J cells as well as processing of inverted cell structures. The paper gives a brief overview on these and other new concepts such as inverted metamorphic 3J and 4J cells and multi-junction solar cells based on semiconductor bonding.