Efficient deep blue electrophosphorescent devices based on platinum(II) bis(n-methyl-imidazolyl)benzene chloride

Tyler Fleetham, Zixing Wang, Jian Li

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

Highly efficient deep blue phosphorescent light emitting diodes were developed using a newly synthesized series of blue emitting tridentate platinum emitters. Devices employing a cohost of hole and electron transport materials yielded high external quantum efficiencies with low turn on voltage and low efficiency roll off. A maximum EQE of 15.7% and CIE coordinates of (0.16, 0.13) was achieved in a device based on platinum(II) bis(N-methyl-imidazolyl)benzene chloride (Pt-16).

Original languageEnglish (US)
Pages (from-to)1430-1435
Number of pages6
JournalOrganic Electronics
Volume13
Issue number8
DOIs
StatePublished - Aug 2012

Keywords

  • Blue OLED
  • Phosphorescent emitter
  • Platinum complex

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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