New iridium cyclometallated complexes with potential application in OLED
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Date
2011
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Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
The photophysical and electrochemical properties of cyclometallic cationic iridium complexes that also contain bipyridine type ligands have been investigated in this work. The effect on the photophysical properties of the complexes on the presence of aliphatic long chain or branched substitution was analyzed. The complexes show photoluminescence maxima in the green-blue region of the visible spectrum, with acceptable quantum yields and lifetime, showing in this way potentiality to be tested in OLED devices. (C) 2011 Elsevier Ltd. All rights reserved.
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Keywords
Iridium cyclometallated, OLED, MULTIFREQUENCY PHASE, SINGLE-LAYER, PHOSPHORESCENCE, EMISSION