Controlling Intrinsic Quantum Confinement in Formamidinium Lead Triiodide Perovskite through Cs Substitution
Karim A. Elmestekawy, Adam D. Wright, Kilian B. Lohmann, Juliane Borchert, Michael B. Johnston, Laura M. Herz
Abstract
-phase electronic barriers. We further observe photon emission from quantum-confined regions, highlighting their potential usefulness to light-emitting devices and single-photon sources. Overall, controlling this intriguing quantum phenomenon will allow for its suppression or enhancement according to need.
Topics & Concepts
FormamidiniumTriiodideQuantum dotPerovskite (structure)Materials scienceOptoelectronicsBand gapPhotoluminescenceHalideChemical physicsNanotechnologyChemistryElectrolyteElectrodeInorganic chemistryPhysical chemistryCrystallographyDye-sensitized solar cellPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films