Highly efficient organic light-emitting diode based on a hidden thermally activated delayed fluorescence channel in a heptazine derivative

Jie Li, Tetsuya Nakagawa, James Macdonald, Qisheng Zhang, Hiroko Nomura, Hiroshi Miyazaki, Chihaya Adachi

研究成果: Contribution to journalArticle査読

351 被引用数 (Scopus)

抄録

An orange-red organic light-emitting diode containing a heptazine derivative exhibits high performance with a maximum external quantum efficiency of 17.5 ± 1.3% and a peak luminance of 17000 ± 1600 cd m -2 without any light out-coupling enhancement. The high electroluminescence performance can be ascribed to the presence of an efficient up-conversion channel from the lowest triplet state to the lowest singlet state.

本文言語英語
ページ(範囲)3319-3323
ページ数5
ジャーナルAdvanced Materials
25
24
DOI
出版ステータス出版済み - 6 25 2013

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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