Pressure-induced giant emission enhancement, large band gap narrowing and rich polymorphism in two-dimensional 1,2,4-triazolium lead bromide perovskite
Mirosław Mączka, Filip Dybała, Artur P. Herman, Waldeci Paraguassu, Antonio José Barros dos Santos, R. Kudrawiec
Abstract
Application of external pressure leads to three pressure-induced phase transitions, allows band gap engineering and induces giant enhancement of the photoluminescence efficiency of the Tz 2 PbBr 4 perovskite.
Topics & Concepts
Perovskite (structure)PhotoluminescenceBand gapLead (geology)High pressureBromideMaterials scienceChemistryPolymorphism (computer science)OptoelectronicsInorganic chemistryCrystallographyPhysicsEngineering physicsGeologyGeomorphologyGeneGenotypeBiochemistryPerovskite Materials and Applications2D Materials and ApplicationsSolid-state spectroscopy and crystallography