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Issue 33, 2016
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Utilizing 9,10-dihydroacridine and pyrazine-containing donor–acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes

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Abstract

Two novel materials, 10-(6-(dibenzo[b,d]furan-1-yl)pyrazin-2-yl)-9,9-diphenyl-9,10-dihydroacridine (PrFPhAc) and 10-(6-(dibenzo[b,d]thiophen-1-yl)pyrazin-2-yl)-9,9-diphenyl-9,10-dihydroacridine (PrTPhAc), were designed and synthesized by introducing heterocyclic pyrazine between 9,10-dihydroacridine and dibenzofuran/dibenzothiophene moieties. The basic properties, such as thermal, photophysical and electrochemical properties, were systematically investigated and compared. Both the materials have suitable triplet energies for red phosphorescent organic light-emitting diodes, and dibenzofuran (DBF) derivative PrFPhAc was finally achieved with superior external quantum efficiency of 22%.

Graphical abstract: Utilizing 9,10-dihydroacridine and pyrazine-containing donor–acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes

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Supplementary files

Article information


Submitted
27 May 2016
Accepted
25 Jul 2016
First published
25 Jul 2016

J. Mater. Chem. C, 2016,4, 7869-7874
Article type
Paper

Utilizing 9,10-dihydroacridine and pyrazine-containing donor–acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes

X. Liu, F. Liang, Y. Yuan, Z. Jiang and L. Liao, J. Mater. Chem. C, 2016, 4, 7869
DOI: 10.1039/C6TC02180H

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