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Solubilised bright blue-emitting iridium complexes for solution processed OLEDs

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Zysman_Colman_2016_JMCC_Solubilised_CCBY.pdf (3.577Mb)
Date
07/05/2016
Author
Henwood, Adam F.
Bansal, Ashu K.
Cordes, David B.
Slawin, Alexandra M. Z.
Samuel, Ifor D. W.
Zysman-Colman, Eli
Keywords
QD Chemistry
NDAS
BDC
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Abstract
Combining a sterically bulky, electron-deficient 2-(2,4-difluorophenyl)-4-(2,4,6- trimethylphenyl)pyridine (dFMesppy) cyclometalating C^N ligand with an electron rich, highly rigidified 1,1’-(α,α’-o-xylylene)-2,2’-biimidazole (o-xylbiim) N^N ligand gives an iridium complex, [Ir(dFMesppy)2(o-Xylbiim)](PF6), that achieves extraordinarily bright blue emission (ΦPL = 90%; λmax = 459 nm in MeCN) for a cationic iridium complex. This complex is compared with two reference complexes bearing 4,4’-di-tert-butyl-2,2’- bipyridine, and solution-processed organic light emitting diodes (OLEDs) have been fabricated from these materials.
Citation
Henwood , A F , Bansal , A K , Cordes , D B , Slawin , A M Z , Samuel , I D W & Zysman-Colman , E 2016 , ' Solubilised bright blue-emitting iridium complexes for solution processed OLEDs ' , Journal of Materials Chemistry C , vol. 4 , no. 17 , pp. 3726-3737 . https://doi.org/10.1039/C6TC00151C
Publication
Journal of Materials Chemistry C
Status
Peer reviewed
DOI
https://doi.org/10.1039/C6TC00151C
ISSN
2050-7526
Type
Journal article
Rights
Copyright 2016 the Authors. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (http://creativecommons.org/licenses/by/3.0/).
Description
EZ-C acknowledges the University of St Andrews for financial support. IDWS and AKB acknowledge support from EPSRC (EP/J01771X). The authors would like to thank the Engineering and Physical Sciences Research Council for financial support for Adam Henwood: EPSRC DTG Grants: EP/J500549/1; EP/K503162/1; EP/L505097/1.
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  • University of St Andrews Research
URL
http://www.rsc.org/suppdata/c6/tc/c6tc00151c/c6tc00151c1.pdf
http://www.rsc.org/suppdata/c6/tc/c6tc00151c/c6tc00151c2.cif
URI
http://hdl.handle.net/10023/8200

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