4.8 Article

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

期刊

ADVANCED FUNCTIONAL MATERIALS
卷 28, 期 11, 页码 -

出版社

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201706023

关键词

deep-blue fluorescence; hyperfluorescence; organic light-emitting diodes; thermal activated delayed fluorescence

资金

  1. Program for Building Regional Innovation Ecosystems of the Ministry of Education, Culture, Sports, Science and Technology, Japan
  2. JST ERATO, Japan [JPMJER1305]
  3. Kyulux Inc.

向作者/读者索取更多资源

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.

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