Cs<sub>2</sub>Ag<sub><i>x</i></sub>Na<sub>1−<i>x</i></sub>Bi<sub><i>y</i></sub>In<sub>1−<i>y</i></sub>Cl<sub>6</sub> perovskites approaching photoluminescence quantum yields of 100%
Oleksandr Stroyuk, Oleksandra Raievska, Anastasia Barabash, Christian Kupfer, Andres Osvet, Volodymyr Dzhagan, Dietrich R. T. Zahn, Jens Hauch, Christoph J. Brabec
Abstract
Microcrystalline Cs 2 Ag x Na 1− x Bi y In 1− y Cl 6 perovskites synthesized by a single-step green approach showed broadband self-trapped exciton photoluminescence with a champion quantum yield of 98 ± 2%.
Topics & Concepts
PhotoluminescenceMicrocrystallineQuantum yieldExcitonCrystallographyMaterials scienceYield (engineering)PhysicsSemiconductor materialsAnalytical Chemistry (journal)ChemistryCondensed matter physicsOpticsSemiconductorOptoelectronicsMetallurgyChromatographyFluorescencePerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesLuminescence Properties of Advanced Materials