Organic light-emitting diodes based on charge-neutral Os(II) emitters : Generation of saturated red emission with very high external quantum efficiency

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Yung-Liang Tung
  • Shin-Wun Lee
  • Yu-Tai Tao
  • Chin-Hsiung Chien
  • Yi-Ming Cheng
  • Pi-Tai Chou
  • Shie-Ming Peng
  • Chao-Shiuan Liu

Detail(s)

Original languageEnglish
Pages (from-to)460-464
Journal / PublicationJournal of Materials Chemistry
Volume15
Issue number4
Online published1 Dec 2004
Publication statusPublished - 2005
Externally publishedYes

Abstract

The OLED device using 6% of Os(fptz)2(PPh2Me) 2 as the dopant emitter in a CBP host and BPAPF as hole transporting material shows an external quantum efficiency of 15.3% and luminous efficiency of 21.3 cd A-1, power efficiency of 6.3 lm W-1 at 20 mA cm-2. An even higher external quantum efficiency of ∼20% was achieved at a low current density of ∼1 mA cm-2.

Citation Format(s)

Organic light-emitting diodes based on charge-neutral Os(II) emitters : Generation of saturated red emission with very high external quantum efficiency. / Tung, Yung-Liang; Lee, Shin-Wun; Chi, Yun; Tao, Yu-Tai; Chien, Chin-Hsiung; Cheng, Yi-Ming; Chou, Pi-Tai; Peng, Shie-Ming; Liu, Chao-Shiuan.

In: Journal of Materials Chemistry, Vol. 15, No. 4, 2005, p. 460-464.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review