High-efficiency single emissive layer white organic light-emitting diodes based on solution-processed dendritic host and new orange-emitting iridium complex

Baohua Zhang, Guiping Tan, Ching Shan Lam, Bing Yao, Cheuk Lam HO, Lihui Liu, Zhiyuan Xie*, Wai Yeung WONG, Junqiao Ding, Lixiang Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

319 Citations (Scopus)

Abstract

An extremely high-efficiency solution-processed white organic light-emitting diode (WOLED) is successfully developed by simultaneously using an ideal dendritic host material and a novel efficient orange phosphorescent iridium complex. The optimized device exhibits forward-viewing efficiencies of 70.6 cd A -1, 26.0%, and 47.6 lm W -1 at a luminance of 100 cd m -2, respectively, promising the low-cost solution-processed WOLEDs a bright future as the next generation of illumination sources.

Original languageEnglish
Pages (from-to)1873-1877
Number of pages5
JournalAdvanced Materials
Volume24
Issue number14
DOIs
Publication statusPublished - 10 Apr 2012

Scopus Subject Areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

User-Defined Keywords

  • dendrimers
  • electrophosphorescence
  • iridium complexes
  • solution processing
  • white organic light-emitting diodes

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