Fig. 7From: Multilayer Graphene with Chemical Modification as Transparent Conducting Electrodes in Organic Light-Emitting DiodeStructure of OLED (inset) and a current density–voltage, b luminance–voltage, and c current efficiency–current density characteristics of the ITO, tri-layer graphene, and the tri-layer doped graphene-based OLEDs. d The photograph of an emitting device based on the tri-layer graphene doped with AuCl3 anodeBack to article page