47.2: Hole Injection and Power Efficiency of Organic Light Emitting Diodes with Ultra-thin Inorganic Buffer Layer on Indium Tin Oxide
نویسندگان
چکیده
ITO capped with a variety of ultra-thin metal layers such as platinum, manganese, nickel, gold, lead, magnesium, and nonmetal layer such as, carbon, gallium, silicon, has been used as hole-injecting anode in organic light-emitting diodes consisting of CuPc/TPD/Alq3. Enhancement in hole injection but not current nor power efficiencies have been obtained in devices with metalcapped ITO, regardless of the work-function of the metals. For devices with silicon-capped anodes, improvements in hole injection, current and power efficiencies have been obtained.
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