From Symmetry to Stability: Structural and Electronic Transformation in Cs${}_2$KInI${}_6$

Mohammad Bakhsh, Victor Trinquet, Rogério Almeida Gouvêa +2

Cs${}_2$KInI${}_6$ is a promising lead-free halide double perovskite with a calculated direct band gap of 1.94 eV, ideal for solar cell applications. Our first-principles calculations…