Photoluminescence properties of blue and green multiple InGaN/GaN quantum wells
Li Chang-Fu1, 2, Shi Kai-Ju1, Xu Ming-Sheng1, Xu Xian-Gang3, Ji Zi-Wu1, †
       

Integrated PL intensities (a) and internal quantum efficiencies (b) for the BMQW and the GMQW (shown as functions of excitation power).