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}

(a) Schematic diagram for side-wall (blue arrow) and c-axis direction (red arrow) injection of holes, (b) plots of relative intensity of 475 nm versus current density for samples A, B, and C.