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A-site cation effect on optical phonon modes and thermal stability in lead-based perovskite bromide single crystals using Raman spectroscopy

Materials ScienceOptical MaterialsEngineeringPerovskite Solar CellA-site Cation EffectPerovskite ModuleOptical PropertiesApplied PhysicsCondensed Matter PhysicsPhononHalide PerovskitesChemistryLead-free PerovskitesThermal Stability