The Design of Fused Amine/Carbonyl System for Efficient Thermally Activated Delayed Fluorescence: Novel Multiple Resonance Core and Electron Acceptor

2019 ◽  
Vol 7 (7) ◽  
pp. 1801536 ◽  
Author(s):  
Yi Yuan ◽  
Xun Tang ◽  
Xiao‐Yang Du ◽  
Yun Hu ◽  
You‐Jun Yu ◽  
...  
Keyword(s):  
Electron Acceptor ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Multiple Resonance

Multiple Resonance Effect-Induced Sky-Blue Thermally Activated Delayed Fluorescence with a Narrow Emission Band

2019 ◽  
Vol 21 (23) ◽  
pp. 9311-9314 ◽  
Author(s):  
Susumu Oda ◽  
Bungo Kawakami ◽  
Ryosuke Kawasumi ◽  
Ryota Okita ◽  
Takuji Hatakeyama
Keyword(s):  
Emission Band ◽  
Resonance Effect ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Multiple Resonance ◽  
Narrow Emission

Solution‐Processable Pure Green Thermally Activated Delayed Fluorescence Emitter Based on the Multiple Resonance Effect

2020 ◽  
Vol 32 (40) ◽  
pp. 2004072
Author(s):  
Naoya Ikeda ◽  
Susumu Oda ◽  
Ryuji Matsumoto ◽  
Mayu Yoshioka ◽  
Daisuke Fukushima ◽  
...  
Keyword(s):  
Resonance Effect ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Multiple Resonance ◽  
Solution Processable

Ultrapure Blue Thermally Activated Delayed Fluorescence Molecules: Efficient HOMO-LUMO Separation by the Multiple Resonance Effect

2016 ◽  
Vol 28 (14) ◽  
pp. 2777-2781 ◽  
Author(s):  
Takuji Hatakeyama ◽  
Kazushi Shiren ◽  
Kiichi Nakajima ◽  
Shintaro Nomura ◽  
Soichiro Nakatsuka ◽  
...  
Keyword(s):  
Resonance Effect ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Multiple Resonance ◽  
Homo Lumo

Management of thermally activated delayed fluorescence using a secondary electron accepting unit in thermally activated delayed fluorescent emitters

2019 ◽  
Vol 7 (21) ◽  
pp. 6465-6474 ◽  
Author(s):  
Ha Lim Lee ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee ◽  
Wan Pyo Hong
Keyword(s):  
Electron Acceptor ◽  
Secondary Electron ◽  
Molecular Design ◽  
Delayed Fluorescence ◽  
Design Approach ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

A molecular design approach adopting secondary electron accepting units in addition to a main electron acceptor was investigated as a strategy to manage the thermally activated delayed fluorescent (TADF) performance of the emitters.

Chromenopyrazole-based bipolar host materials for solution-processable thermally activated delayed fluorescence OLEDs exhibiting high efficiency and low roll-off

2019 ◽  
Vol 55 (86) ◽  
pp. 12952-12955 ◽  
Author(s):  
Mallesham Godumala ◽  
Jiwon Yoon ◽  
Chiho Lee ◽  
Ji-Eun Jeong ◽  
Sungnam Park ◽  
...  
Keyword(s):  
Electron Acceptor ◽  
High Performance ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials ◽  
Solution Processable

With chromenopyrazole as an electron-acceptor core, two new bipolar host materials (DCzCP and TCzCP) exhibited high performance and low roll-off in solution-processable TADF-OLEDs.

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