A solution-processable triphenylamine-fluorene host for exciplex based white phosphorescent organic light-emitting diodes

Zhaokang Fan, Nengquan Li, Yiwu Quan, Qingmin Chen, Shanghui Ye, Quli Fan, Wei Huang, Hui Xu

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

A novel triphenylamine-fluorene oligomer with macro-spirocyclic structure was designed and prepared as a host for exciplex based white phosphorescent organic light-emitting diodes (white PhOLEDs), in which only iridium(iii)bis(4,6-(difluorophenyl)pyridinato-N,C2)picolinate (FIrpic) was employed as the dopant. The device exhibited a comparatively high performance with a maximum luminance and current efficiency of 14 213 cd m-2 and 22.6 cd A-1, respectively.

Original languageEnglish
Pages (from-to)9754-9759
Number of pages6
JournalJournal of Materials Chemistry C
Volume2
Issue number45
DOIs
StatePublished - 7 Dec 2014
Externally publishedYes

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