Space solar cells
As in concentrator solar cells, the efficiency increase is a must in space solar cells. Therefore, we are developing new architectures beyond the workhorse lattice-matched GaInP/GaInAs/Ge triple junction solar cells. Special emphasis we are devoting to dilute nitride lattice matched and metamorphic architectures. In these approaches, the good quality material with low defect densities is essential (see figure 1). Space solar cells not only have to exhibit a high efficiency but they be as robust as possible against the radiation damage. This is why we also develops an intense activity in the analysis of the damage caused by proton irradiation and the ways to minimize its deleterious impact.
Contact person: Prof. Carlos Algora