Abstract
ZnCdTe/CdSe quantum dots (QDs) for white light-emitting diodes (LEDs) were prepared by aqueous synthesis, and their luminescence properties were investigated. The white LED consisted of ZnCdTe/CdSe QDs as the phosphor with a blue InGaN chip as the excitation source and showed a color rendering index (CRI) of 51.1 with Commission Internationale de l'Éclairage (CIE) coordinates of x=0.35 and y=0.32. White LED with a high CRI was obtained with the addition of Ca8Mg(SiO4)4Cl2:Eu2+ phosphor, and the CRI of the hybrid phosphor white LED with CIE coordinates of x=0.27 and y=0.32 was improved to 88.2.
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