Anisotropic carrier diffusion in single MAPbI<sub>3</sub> grains correlates to their twin domains
Ilka Hermes, A. Best, Leonard Elias Winkelmann, Julian Mars, Sarah M. Vorpahl, Markus Mezger, Liam Collins, Hans‐Jürgen Butt, David S. Ginger, Kaloian Koynov, Stefan A. L. Weber
Abstract
The anisotropic charge carrier diffusion coupled to ferroelastic twin domains in methylammonium lead iodide opens possibilities for further optimization of perovskite solar cells and optoelectronic devices <italic>via</italic> strain engineering and heat treatments.
Topics & Concepts
AnisotropyMaterials scienceDiffusionPerovskite (structure)IodideCharge carrierCharge (physics)Strain (injury)Chemical physicsCondensed matter physicsOptoelectronicsCrystallographyOpticsChemistryPhysicsInorganic chemistryThermodynamicsQuantum mechanicsInternal medicineMedicinePerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties