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Proceedings Paper

Solution-processable green phosphorescent iridium(III) complexes bearing 3,3,3-triphenylpropionic acid fragment for use in OLEDs
Author(s): Kaspars Traskovskis; Aivars Vembris; Valdis Kokars
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Paper Abstract

New solution-processable materials based on well-known green iridium(III) heteroleptic complexes (ppy)2Ir(acac) and (ppy)2Ir(pic) were acquired by chemical modification of ppy ligand with functionable hydroxyl groups and subsequent esterification with 3,3,3-triphenylpropionic acid fragment. Photoluminescence quantum efficiencies up to 0.90 were measured for the compounds in solution. Emission characteristics in pure solid films and different guest-host systems with hole transporting materials were investigated. Green light emitting OLEDs (organic light emitting devices) was prepared and characterized.

Paper Details

Date Published: 21 May 2018
PDF: 8 pages
Proc. SPIE 10687, Organic Electronics and Photonics: Fundamentals and Devices, 1068715 (21 May 2018); doi: 10.1117/12.2306806
Show Author Affiliations
Kaspars Traskovskis, Riga Technical Univ. (Latvia)
Aivars Vembris, Univ. of Latvia (Latvia)
Valdis Kokars, Riga Technical Univ. (Latvia)

Published in SPIE Proceedings Vol. 10687:
Organic Electronics and Photonics: Fundamentals and Devices
Sebastian Reineke; Koen Vandewal, Editor(s)

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