Extended Data Fig. 10: Comparison between PL and EL spectra.
From: Highly efficient blue InGaN nanoscale light-emitting diodes
a, Plasma-enhanced ALD SiO2 passivation. b, Sol–gel SiO2 passivation. The EL spectra are obtained at a current density of 10 mA cm−2, which is near the peak EQE position.
