Triple junction InGaP/InGaAs/Ge solar cells for high concentration photovoltaics application: Degradation tests of solar receivers. - Sara Padovani; A. Del Negro; M. Antonipieri; S. Sinesi; Roberta Campesato; Mariacristina Casale; Giuseppe Gabetta; Gabriele Gori (Microelectron. Reliab., 2010)