Effects of hole-injection through side-walls of large V-pits on efficiency droop in III

Effects of hole-injection through side-walls of large V-pits on efficiency droop in III–nitride LEDs

Zhang Dong-Yan^{1, 2, †}, Zhang Jie³, Liu Xiao-Feng^{1, 2}, Chen Sha-Sha^{1, 2}, Li Hui-Wen^{1, 2}, Liu Ming-Qing^{1, 2}, Ye Da-Qian^{1, 2}, Wang Du-Xiang^{1, 2}

EL spectra of (a) sample A, (b) sample B, and (c) sample C for driving current density ranging from 0.3 A/cm² to 100 A/cm².