The lattice symmetrization worked, but with a plot twist: effects of methylhydrazinium doping of MAPbI<sub>3</sub> on phase transitions, cation dynamics and photoluminescence
Mirosław Mączka, Maciej Ptak, Katarzyna Fedoruk, Dagmara Stefańska, Anna Gągor, Jan K. Zaręba, Adam Sieradzki
Abstract
Doping of MAPbI 3 with methylhydrazinium stabilizes the desirable cubic phase and leads to unprecedented increase of the tetragonal-orthorhombic phase transition while retaining efficient emission and extended absorption, suitable for applications.
Topics & Concepts
Materials scienceTetragonal crystal systemDopingOrthorhombic crystal systemPhotoluminescenceLattice (music)Condensed matter physicsPhase transitionTwistChemical physicsSymmetrizationCrystallographyCrystal structureOptoelectronicsChemistryPhysicsMathematicsMathematical analysisAcousticsGeometryPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materials2D Materials and Applications