20 likes | 115 Views
Introduction. To ensure the improvements of the electrical and optical properties of step-stage LEDs, a dual-stage LED is also fabricated for comparison. Experiments. p- contact. p- GaN. EBL. ww. MQW. n- contact. 1µm-thick. n- GaN.
E N D
Introduction • To ensure the improvements of the electrical and optical properties of step-stage LEDs, a dual-stage LED is also fabricated for comparison.
Experiments p- contact p- GaN EBL ww MQW n- contact 1µm-thick n-GaN Fig. Illustration of TMIn flow rate for controlling the indium composition during the growth of dual-stage and step-stage MQW structure. 1µm-thick Buffer layer Sapphire Chip size:1.61 mm2