Figure 3From: On the phenomenon of large photoluminescence red shift in GaN nanoparticlesTemperature-dependent and normalized 77 K μPL emission spectra of GaN NPs. (a) Temperature-dependent PL of another GaN NPs excited at 0.08 kW/cm2. (b) Normalized 77 K μPL emission spectrum of GaN NPs cluster with semi-log scale.Back to article page