Fig. 6

a Luminance-voltage characteristic. The inset shows the green multilayered InP/ZnS core/shell QD-LEDs. b Current density-voltage characteristic and c current efficiency as a function of luminance for multilayered InP/ZnS core/shell QD-LEDs
a Luminance-voltage characteristic. The inset shows the green multilayered InP/ZnS core/shell QD-LEDs. b Current density-voltage characteristic and c current efficiency as a function of luminance for multilayered InP/ZnS core/shell QD-LEDs