Rational Molecular Design for Deep-Blue Thermally Activated Delayed Fluorescence Emitters

Chin Yiu Chan, Lin Song Cui, Jong Uk Kim, Hajime Nakanotani, Chihaya Adachi

研究成果: ジャーナルへの寄稿学術誌査読

195 被引用数 (Scopus)

抄録

By simple modification of the functional groups on the donor unit, the thermally activated delayed fluorescence (TADF) properties of emitters can easily be manipulated. A series of deep blue to blue emissive TADF derivatives is developed, capable of deep-blue emissions from 403 to 460 nm in toluene. Deep-blue organic light-emitting diodes (OLEDs) based on this series of TADF emitters are fabricated, resulting in an electroluminescence peak at 428 nm and a high external quantum efficiency of up to 10.3%. One deep-blue OLED has achieved the commission internationale de l'eclairage (CIE) coordinates of (0.156, 0.063), which is among the best reported TADF performances for deep-blue OLEDs with CIEy < 0.07.

本文言語英語
論文番号1706023
ジャーナルAdvanced Functional Materials
28
11
DOI
出版ステータス出版済み - 3月 14 2018

!!!All Science Journal Classification (ASJC) codes

  • 化学一般
  • 材料科学一般
  • 凝縮系物理学

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