Fig. 6From: Preparation of a Periodic Polystyrene Nanosphere Array Using the Dip-Drop Method with Post-deposition Etching and Its Application of Improving Light Extraction Efficiency of InGaN/GaN LEDsElectroluminescence spectra as functions of wavelength for the conventional InGaN/GaN LEDs and InGaN/GaN LEDs with optimal periodic PS NS array window layersBack to article page