Stable and efficient narrow-band red emitters with high colour purity for white LEDs and plant growth applications
Kasturi Singh, Sivakumar Vaidyanathan
Abstract
-ion occupancy in the non-centrosymmetric site in the host lattice. The selected composition shows better absolute quantum efficiencies compared to commercial phosphors. The presently synthesized phosphors have proven to be thermally stable against the temperature quenching effect. The fabricated red LED showed excellent performance, colour purity, LER and CIE values. The excellent optical properties, quantum yield and thermal stability make the phosphor applicable as a red component in solid-state lighting devices and as a light source for plant growth applications.
Topics & Concepts
PhosphorQuantum yieldQuantum efficiencyFull width at half maximumLight-emitting diodeMaterials scienceAnalytical Chemistry (journal)OptoelectronicsLuminescenceBand gapPhotoluminescenceChemistryOpticsFluorescencePhysicsChromatographyLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsAmmonia Synthesis and Nitrogen Reduction