Effect of AlGaN interlayer on luminous efficiency and reliability of GaN-based green LEDs on silicon substrate
Guo Jiao-Xin, Ding Jie †, Mo Chun-Lan, Zheng Chang-Da, Pan Shuan, Jiang Feng-Yi
       

EQE curves for different stress time of (a) sample A and (b) sample B. (c) Curves of S coefficient as functions of stress time of the two samples at current density of 0.18 A/cm2. (d) Curves of EQE as functions of current density before and after 1000-h stress of the two samples.