The effect of the A-site cation on the phase transition temperature of metal halide perovskites

Tom Braeckevelt, Sander Vandenhaute, Sven M. J. Rogge +2

A key challenge for the practical application of metal halide perovskites (MHPs) is the instability of the desired perovskite phase relative to the optically non-active $\hat{I}´$ phase.…