Abstract
Cu Pc : C 60 organic-nanocarbon composite coated metals (Au, Ag, and ITO) are found to form efficient hole injection anode structures for organic light-emitting diodes (OLEDs). A significant increase (∼ two times ) in current efficiency has been observed in OLEDs when the nanocomposite anode structures are used to replace the conventional CuPc/indium tin oxide hole injection structure. Moreover, the composite anode structures enable the use of simple metal electrodes for efficient and stable OLEDs. The composite provides, through a controlled variation in the C60 concentration, a flexible material platform in regulating the hole injection and transport through the various layers in an OLED.
Published Version
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