Fig. 4From: Multicolor Emission from Ultraviolet GaN-Based Photonic Quasicrystal Nanopyramid Structure with Semipolar InxGa1−xN/GaN Multiple Quantum Wellsa PL spectra from the nanorods of GaN-based material (black), samples A (blue) and B (green). b Photographs of the PQC structure of samples A and B during measurement corresponding to the CIE coordinates of (0.19, 0.38) and (0.15, 0.07), respectivelyBack to article page