Surface passivation of FAPbI3-rich perovskite with caesium iodide outperforms bulk incorporation

Thomas P. Baumeler, Essa A. Alharbi, George Kakavelakis +14

Metal halide perovskites (MHPs) have shown an incredible rise in efficiency, reaching as high as 25.7%, which now competes with traditional photovoltaic technologies. Herein, we ex…