Publication | Closed Access
Doped Quantum Dots for White‐Light‐Emitting Diodes Without Reabsorption of Multiphase Phosphors
228
Citations
31
References
2012
Year
EngineeringWhite‐light‐emitting DiodesOptoelectronic DevicesLuminescence PropertyWhite-light-emitting DiodeSemiconductorsChemical EngineeringPhotodetectorsQuantum DotsLight-emitting DiodesBlue LedMultiphase PhosphorsElectrical EngineeringPhotoluminescenceStokes ShiftOptoelectronic MaterialsNew Lighting TechnologyDoped Quantum DotsWhite OledSolid-state LightingApplied PhysicsOptoelectronicsPhosphorescence
A white-light-emitting diode (white LED) with good color rendering index is fabricated based on a blue LED combined with high-fluorescence CdS:Cu/ZnS quantum dots (QDs) and YAG:Ce phosphors. The reabsorption problem is overcome by the excellent optical properties and enlarged Stokes shift of the QDs with low absorption of light of wavelengths longer than 470 nm.
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