A phenothiazine/dimesitylborane hybrid material as a bipolar transport host of red phosphor

Yu Jen Cheng, Siao Yin Yu, Song Cheng Lin, Jiann T. Lin*, Li Yin Chen, Dai Sin Hsiu, Yuh Sheng Wen, Mandy M. Lee, Shih Sheng Sun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

New bipolar transport compounds containing a meta-conjugated phenothiazine/dimesitylborane hybrid have been synthesized and three of them were characterized via single crystal structural determination. The compounds exhibited emission from blue to green, and one of them has a dual emission behavior. Organic light-emitting diodes using the compounds as the host for the red-emitting guest, Ir(pq)2(acac) (bis(2-phenylquinoline)(acetylacetonate)iridium), have external quantum efficiencies in the range of 6.3-15.5%. Some devices have a negligible efficiency roll-off up to 1000 cd m-2.

Original languageEnglish
Pages (from-to)9499-9508
Number of pages10
JournalJournal of Materials Chemistry C
Volume4
Issue number40
DOIs
StatePublished - 2016

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