Figure 3

High resolution PL spectra of the porous GaN grown on the MOCVD-GaN template. Dashed lines are guides to the eyes. The 3.488-eV line originates from the MOCVD GaN template.

High resolution PL spectra of the porous GaN grown on the MOCVD-GaN template. Dashed lines are guides to the eyes. The 3.488-eV line originates from the MOCVD GaN template.