A single phosphine oxide host for high-efficiency white organic light-emitting diodes with extremely low operating voltages and reduced efficiency roll-off

Chunmiao Han, Guohua Xie, Hui Xu, Zhensong Zhang, Linghai Xie, Yi Zhao, Shiyong Liu, Wei Huang

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

Abstract

Highly efficient white organic light-emitting diodes (WOLEDs) with a simple, single-host-based structure are fabricated to realize the state-of-the-art performance of extremely low driving voltages, high efficiencies, and low efficiency roll-offs. This is the first single-host-based WOLED with both high efficiency and extremely low operating voltage at practical luminescence, demonstrating the great potential of these WOLEDs for portable display and lighting applications.

Original languageEnglish
Pages (from-to)2491-2496
Number of pages6
JournalAdvanced Materials
Volume23
Issue number21
DOIs
StatePublished - 3 Jun 2011
Externally publishedYes

Keywords

  • organic electronics
  • phosphine oxide
  • white organic light-emitting diodes

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