Thermodynamic Stability and Structural Insights for CH${}_3$NH${}_3$Pb${}_{1-x}$Si${}_x$I${}_3$, CH${}_3$NH${}_3$Pb${}_{1-x}$Ge${}_x$I${}_3$, and CH${}_3$NH${}_3$Pb${}_{1-x}$Sn${}_x$I${}_3$ Hybrid Perovskite Alloys: A Statistical Approach from First Principles Calculations

Diego Guedes-Sobrinho, Ivan Guilhon, Marcelo Marques +1

The recent reaching of 20% of conversion efficiency by solar cells based on metal hybrid perovskites (MHP), e.g., the methylammonium (MA) lead iodide, CH3NH3PbI3 (MAPbI3), has exci…