Publication date: 19th April 2024
Metal halide perovskite solar cells are of interest for high altitude and space applications due to their lightweight and versatile form factor. However, their resilience toward the particle spectrum encountered in space is still of concern. For space cells, the effect of these particles is condensed into an equivalent 1 MeV electron fluence. The effect of high doses of 1 MeV e-beam radiation up to very high accumulated fluence is probed. By using substrate and encapsulation materials that are stable under the high energy e-beam radiation, its net effect on the perovskite film and solar cells can be studied. The quartz substrate-based perovskite solar cells are stable under the high doses of 1 MeV e-beam irradiation.We will present the latest finding on the radiation hardness of single junction perovskite solar cells, using pure iodide as well as mixed cation and mixed halide formulations, demonstrating that perovskite solar cells are promising candidates for space applications.