Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/1394
Title: Highly efficient solution processed blue organic electrophosphorescence with 14 lm/W luminous efficacy
Authors: Choulis, Stelios A. 
Mathai, Mathew K. 
Choong, Vi-En 
metadata.dc.contributor.other: Χούλης, Στέλιος Α.
Major Field of Science: Engineering and Technology
Keywords: Light emitting diodes;Phosphorescence;Product design
Issue Date: 16-Jun-2006
Source: Applied physics letters, 2006, vol. 88, no. 24, pp. 1-3
Volume: 88
Issue: 24
Start page: 1
End page: 3
Journal: Applied Physics Letters 
Abstract: We report highly efficient solution processed blue electrophosphorescent organic light emitting diodes (PHOLEDs) utilizing a phosphorescent dye and a nonconjugated polymer host, molecularly doped with electron transporting molecules. Based on a bilayer device architecture blue PHOLEDs with luminous efficacy of 14 lm/W at luminous efficiency reaching 22 cd/A are demonstrated. Analysis of device performance indicates that this high efficiency is achieved by a combination of improved charge balance and light outcoupling efficiency. Our results demonstrate that simple solution processed devices can have efficiencies similar to those published to date for small molecule multilayer PHOLEDs based on the same emitter
URI: https://hdl.handle.net/20.500.14279/1394
ISSN: 10773118
DOI: 10.1063/1.2212060
Rights: © American Institute of Physics
Type: Article
Affiliation: Konarka Technologies 
Affiliation : University of Florida 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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