Thermal degradation in methylammonium–formamidinium–guanidinium lead iodide perovskites
Fernando Brondani Minussi, Rogério Marcos Silva, J.F. Carvalho, E. B. Araújo
Abstract
Thermal degradation experiments in GA x FA y MA 1− x − y PbI 3 perovskites show that mixed compositions are generally more stable, but not always. Large GA + cations may decrease the stability and even change the order of the degradation kinetics.
Topics & Concepts
FormamidiniumDegradation (telecommunications)IodideThermal stabilityMaterials scienceKineticsThermalInorganic chemistryChemical engineeringChemistryThermodynamicsComputer scienceQuantum mechanicsEngineeringPhysicsTelecommunicationsPerovskite Materials and ApplicationsThermal Expansion and Ionic ConductivitySolid-state spectroscopy and crystallography