Mixed-cation perovskite solar cells in space

Perovskite solar cells (PSCs) exhibiting outstanding efficiency, high power-per-weight, and excellent radiation resistance are considered to be the new-generation energy technology for space application. Now researchers report their attempt for the stability study of PSCs fixed on high-altitude balloon in near space. The device based on TiO2 mesoporous configuration with FA0.81MA0.10Cs0.04PbI2.55Br0.40 absorber retained 95.19 percent of its initial power conversion efficiency under AM0 illumination. This work demonstrates the prospect of PSCs in future space application.