Figure 3From: Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light-emitting diodes Displays the electroluminescence spectra for n-ZnO nanorods/p-GaN LEDs, (a) As grown, (b) after irradiation with fluency of approximately 2 × 10 13 ions/cm 2 , (c) after irradiation with fluency of approximately 4 × 10 13 ions/cm 2 , and (d) the EL spectra of all the LEDs together for comparison.Back to article page