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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: 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 LEDs

Fig. 5

a I-V and L-I curves for the conventional InGaN/GaN LED and InGaN/GaN LED with compact PS NS array window layers of 100-, 200-, and 500-nm-diameter PS NSs. b L-I curves for the conventional InGaN/GaN LEDs and InGaN/GaN LEDs with periodic, disorder, and multilayer PS array window layers. c L-I curves for the conventional InGaN/GaN LEDs and InGaN/GaN LEDs with compact and optimal periodic PS NS array window layers. The inset of (c) shows the schematic structures of InGaN/GaN LEDs with compact and periodic PS array. The SEM image of the periodic PS array the also represents in the inset of Fig. 5

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