Figure 8From: Enhanced performance of photonic crystal GaN light-emitting diodes with graphene transparent electrodes The image of the normalized current density along the E-F line. A The normalized current density of the LED with the graphene electrode of 150 Ω/□; B that of the LED with the graphene electrode of 300 Ω/□; C that of the PC LED without graphene electrode; D that of the conventional LED without graphene.Back to article page