1. Wafer bonded four‐junction GaInP/GaAs//GaInAsP/GaInAs concentrator solar cells with 44.7% efficiency. (13th January 2014) Authors: Dimroth, Frank; Grave, Matthias; Beutel, Paul; Fiedeler, Ulrich; Karcher, Christian; Tibbits, Thomas N. D.; Oliva, Eduard; Siefer, Gerald; Schachtner, Michael; Wekkeli, Alexander; Bett, Andreas W.; Krause, Rainer; Piccin, Matteo; Blanc, Nicolas; Drazek, Charlotte; Guiot, Eric; Ghyselen, Bruno; Sa... Journal: Progress in photovoltaics Issue: Volume 22:Number 3(2014) Page Start: 277 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗