Journal
ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 10, Issue 10, Pages J117-J119Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.2756337
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Effects of Mg:Ag interlayer between LiF and Al on electron injection and device performances of organic light-emitting diodes (OLEDs) were investigated. Thickness of Mg:Ag layer was changed from 0 to 10 nm and the relationship between interlayer thickness and device performances was studied. Current density of OLEDs was increased due to efficient electron injection from cathode to organic layer by Mg:Ag interlayer. In addition, power efficiency of OLEDs was improved by more than 50% due to low driving voltage and high recombination efficiency and it showed a maximum value at a Mg: Ag thickness of 1.0 nm. (c) 2007 The Electrochemical Society.
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