Effective thermally activated delayed fluorescence emitter and its performance in OLED device

Woo Jae Park, Yosup Lee, Jun Yun Kim, Dae Wi Yoon, Jinook Kim, Seung Hyun Chae, Hyojeong Kim, Gahyeon Lee, Sangdeok Shim, Joong Hwan Yang, Suk Joong Lee

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Dicyanophenyl derivatives, DCN1-3, were rationally synthesized and their thermally activated delayed fluorescence properties were investigated. OLED devices were further fabricated using DCN1-3. Particularly DCN3 (5-{3,6-di(9H-carbazole-9-yl)-9H-carbazol-9-yl}isophthalonitrile) showed excellent device performances employing TADF mechanism with power efficiency of 15.26Cd/A, luminous efficiency of 8.14 lm/W, the maximum external quantum efficiency of 13.33%, and brightness of 1526 Cd/m<sup>2</sup>.

Original languageEnglish
Pages (from-to)99-104
Number of pages6
JournalSynthetic Metals
Volume209
DOIs
Publication statusPublished - 2015 Jul 22

Keywords

  • Excited state
  • Fluorescence
  • Inter-conversion
  • OLED
  • TADF

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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  • Cite this

    Park, W. J., Lee, Y., Kim, J. Y., Yoon, D. W., Kim, J., Chae, S. H., Kim, H., Lee, G., Shim, S., Yang, J. H., & Lee, S. J. (2015). Effective thermally activated delayed fluorescence emitter and its performance in OLED device. Synthetic Metals, 209, 99-104. https://doi.org/10.1016/j.synthmet.2015.07.008