Dalton Transactions · 2022 · 19 citations · 34 references
Natural SciencesMaterials EngineeringMaterials ScienceCrystal StructureMaterials ChemistryOptical MaterialsCrystal ChemistryCrystal EngineeringLight SourcesLighting MaterialsLuminescent MaterialsPerovskite MaterialsCrystal-field EffectsInorganic PhosphorsLuminescence MechanismsLuminous MaterialsPhosphor MaterialsPhosphorescent MaterialsPhosphorsThermal Stability
exhibited high luminous efficiency and the emission intensity remained 81% at 423 K compared with the initial value at 298 K. The structural confinement and the electron-phonon coupling (EPC) effect may account for its good thermal stability. Finally, a pc-NIR-LED device with a photoelectric conversion efficiency of 6.53% at 350 mA was fabricated by combining the as-prepared NIR phosphor and a blue InGaN chip, and its applications in night vision and medical fields were further investigated. This work will promote the development of NIR phosphors with tunable luminescence properties.
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