Dual-color emitting quantum-dot-quantum-well CdSe-ZnS heteronanocrystals hybridized on $InGaN∕GaN$ light emitting diodes for high-quality white light generation

We report white light generation by hybridizing green-red emitting $(CdSe)ZnS∕CdSe$ (core)shell/shell quantum-dot-quantum-well heteronanocrystals on blue $InGaN∕GaN$ light emitting diodes with the photometric properties of tristimulus coordinates $(x,y)=(0.36,0.30)$⁠, luminous efficacy of optical radiation $LE=278lm∕W$⁠, correlated color temperature $CCT=3929K$⁠, and color-rendering index $CRI=75.1$⁠. We present the photometric analysis and the quantum mechanical design of these dual-color emitting heteronanocrystals synthesized to achieve high-quality white light when hybridized on light emitting diodes. Using such multicolor emitting heteronanocrystals facilitates simple device implementation while providing good photometric properties.