Passivation and Interlayer Effect of Zr(i-PrO)4 on Green CuGaS2/ZnS/Zr(i-PrO)4@Al2O3 and Red CuInS2/ZnS/Zr(i-PrO)4@Al2O3 QD Hybrid Powders

Table 2 Detailed optical properties of Al₂O₃ encapsulated CGS/ZnS based powder QDs and CIS/ZnS based powder QDs

Sample	Color coordinates		Peak wavelength (nm)	FWHM (nm)	PLQY (%)
Sample	CIEx	CIEy	Peak wavelength (nm)	FWHM (nm)	PLQY (%)
CGS/ZnS@Al₂O₃	0.253	0.531	507	68	48.7
CGS/ZnS/Zr(i-PrO)₄@Al₂O₃	0.244	0.515	504	66	53.7
CIS/ZnS@Al₂O₃	0.607	0.384	621	90	44.1
CIS/ZnS/Zr(i-PrO)₄@Al₂O₃	0.588	0.403	611	93	52.2