Figure 2From: Fabrication and characterization of WO3/Ag/WO3 multilayer transparent anode with solution-processed WO3 for polymer light-emitting diodesIllustrations of WAW multilayer and WAW-based PLEDs. (a) Cross-sectional transmission electron microscope (TEM) image of solution-processed WAW multilayer. (b) Schematic structure of WAW/PEDOT:PSS/Super Yellow/ZnO NPs and ionic interlayer/Al PLEDs.Back to article page