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Formylated chloro-bridged iridium(III) dimers as OLED materials : opening up new possibilities

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Cordes_2015_DT_Formylated_CC.pdf (3.195Mb)
Date
14/05/2015
Author
Wong, Michael Y.
Xie, Guohua
Tourbillon, Clarisse
Sandroni, Martina
Cordes, David Bradford
Slawin, Alexandra Martha Zoya
Samuel, Ifor David William
Zysman-Colman, Eli
Funder
EPSRC
Grant ID
EP/K039210/1
Keywords
QD Chemistry
DAS
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Abstract
In this study, a series of four formyl-substituted chloro-bridged iridium(III) dimers were prepared. Their absorption, photophysical and electrochemical properties were studied in dichloromethane solution. It was found that as the formyl content increased on the cyclometalating ligands, emission unexpectedly became brighter. Organic light-emitting diodes (OLEDs) were fabricated using each of these iridium dimers as the emitter. The OLED fabricated using the brightest of the series, 2b, as the dopant afforded a decent external quantum efficiency (EQE) of 2.6%. This suggests that chloro-bridged iridium dimers are potential candidates as solid-state emitters.
Citation
Wong , M Y , Xie , G , Tourbillon , C , Sandroni , M , Cordes , D B , Slawin , A M Z , Samuel , I D W & Zysman-Colman , E 2015 , ' Formylated chloro-bridged iridium(III) dimers as OLED materials : opening up new possibilities ' , Dalton Transactions , vol. 44 , no. 18 . https://doi.org/10.1039/C4DT03127J
Publication
Dalton Transactions
Status
Peer reviewed
DOI
https://doi.org/10.1039/C4DT03127J
ISSN
1477-9226
Type
Journal article
Rights
Copyright the Authors 2015. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (http://creativecommons.org/licenses/by/3.0/)
Description
Date of Acceptance: 17/10/2014
Collections
  • University of St Andrews Research
URL
http://www.rsc.org/suppdata/dt/c4/c4dt03127j/c4dt03127j1.pdf
URI
http://hdl.handle.net/10023/6631

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