III-V multijunction solar cells for concentrations around 1000X: the IES-UPM strategy

Abstract

The IES-UPM has a large trajectory in the III-V concentration solar cells research. Nowadays, the long term aim is to achieve efficiencies around 35% at 1000 X by multijunction solar cells and to transfer the technology to industry. For this purpose three complementary lines are ongoing: the growth of III-V and solar cells structures by MOVPE, the reliability study of concentrator solar cells and the modeling of the devices by means of distributed models.