Is more Phase Segregation better for mixed halide perovskite devices: Spatial randomness, Ion migration, and Non-radiative recombination

Abhimanyu Singareddy, Uday Kiran Reddy Sadula, Pradeep R. Nair

Phase segregation is a critical phenomenon that influences the stability and performance of mixed halide perovskite based opto-electronic devices. In addition to the underlying phy…