Before revision: Using CdSe core and ZnS or CdS/ZnS shells, the maximum luminance values of red, orange, yellow and green LEDs were improved to 9,064, 3,200, 4,470 and 3,700 cd m−2, respectively; electroluminescent efficiency (1.1–2.8 cd A21 ), and turn-on voltages (3–4 V) were also increased.
After revision: Using CdSe core and ZnS or CdS/ZnS shells, the maximum luminance values of red, orange, yellow and green LEDs were improved to 9,064, 3,200, 4,470 and 3,700 cd m−2, respectively; electroluminescent efficiency (1.1–2.8 cd A−1 ), and turn-on voltages (3–4 V) were also increased.