A Morphotropic Phase Boundary in MA${}_{1-x}$FA${}_x$PbI${}_3$: Linking Structure, Dynamics, and Electronic Properties

Tobias Hainer, Erik Fransson, Sangita Dutta +2

Understanding the phase behavior of mixed-cation halide perovskites is critical for optimizing their structural stability and optoelectronic performance. Here, we map the phase dia…