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Title: Efficient inverted organic light-emitting devices with self or intentionally Ag-doped interlayer modified cathode

Green phosphorescent inverted organic light-emitting devices (IOLEDs) with self or intentionally Ag-doped interlayer modified cathode were demonstrated. The IOLEDs show low driving voltage and high efficiency. For example, the efficiency of inverted bottom-emitting OLED with ITO cathode is comparable with the conventional bottom-emitting OLED with ITO anode. The top-emitting IOLED with Ag cathode shows high current efficiency of 76.4 cd/A which is 2.38 times of that of the conventional bottom-emitting OLED with ITO anode. The results indicate that the electron injection from cathode was observably improved by the Ag-doped interlayer and such interlayer is cathode independent relatively.
Authors:
; ; ; ; ; ; ; ;  [1]
  1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012 (China)
Publication Date:
OSTI Identifier:
22283038
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANODES; CATHODES; COMPARATIVE EVALUATIONS; DOPED MATERIALS; ELECTRIC CURRENTS; ELECTRIC POTENTIAL; ELECTRON BEAM INJECTION; ENERGY EFFICIENCY; INDIUM COMPOUNDS; LIGHT EMITTING DIODES; ORGANIC COMPOUNDS; SILVER COMPOUNDS; TIN OXIDES