Visualizing the role of photoinduced ion migration on photoluminescence in halide perovskite grains
Hoyeon Choi, Chun-Ren Ke, Stefan Skalsky, Christopher A. Castle, Kexue Li, Katie L. Moore, Wendy R. Flavell, Patrick Parkinson
Abstract
By combining <italic>in situ</italic> optical spectroscopy with a high spatial resolution mass spectrometry, we directly link the evolution in carrier recombination processes in perovskite films to light-induced ion migration.
Topics & Concepts
PhotoluminescencePerovskite (structure)Materials scienceHalideIonRecombinationSpectroscopyOptoelectronicsMass spectrometryPhotochemistryChemical physicsInorganic chemistryCrystallographyChemistryBiochemistryPhysicsQuantum mechanicsGeneOrganic chemistryChromatographyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyQuantum Dots Synthesis And Properties