Rational design, synthesis, and characterization of a photocrosslinkable hole-transporting polymer for high performance solution-processed thermally activated delayed fluorescence OLEDs

2020 ◽  
Vol 8 (13) ◽  
pp. 4572-4579 ◽  
Author(s):  
Ji Hye Lee ◽  
Cheol Hun Jeong ◽  
Mallesham Godumala ◽  
Chae Yeong Kim ◽  
Hyung Jong Kim ◽  
...  
Keyword(s):  
High Performance ◽  
Rational Design ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Synthesis And Characterization ◽  
Design Synthesis ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Hole Transporting

A new photocrosslinkable PX2Cz was successfully synthesized and used as an excellent hole transport material in green TADF-OLED.

New hole transport styrene polymers bearing highly π-extended conjugated side-chain moieties for high-performance solution-processable thermally activated delayed fluorescence OLEDs

2021 ◽  
Vol 12 (11) ◽  
pp. 1692-1699
Author(s):  
Ji Hye Lee ◽  
Jinhyo Hwang ◽  
Chai Won Kim ◽  
Amit Kumar Harit ◽  
Han Young Woo ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Side Chain ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Turn On ◽  
Solution Processable

New polystyrene-based polymers with high π-extended hole transport pendants were synthesized to obtain a low turn-on voltage and high efficiency in solution-processed green TADF-OLEDs.

Ni-catalyzed cascade coupling reactions: synthesis and thermally-activated delayed fluorescence characterization of quinazolinone derivatives

2021 ◽  
Author(s):  
Zhongyan Chen ◽  
Lepeng Chen ◽  
Shou-Feng Zhang ◽  
Qianqian Zhen ◽  
Wenzhang Xiong ◽  
...  
Keyword(s):  
Functional Groups ◽  
Room Temperature ◽  
Delayed Fluorescence ◽  
Coupling Reactions ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Quinazolinone Derivatives

A nickel-catalyzed synthesis of 1,3-diaryl-6H-pyrazino[2,1-b]quinazolin-6-one was developed. This method enabled to access valuable pyrazino-fused quinazolinones with tolerance of many functional groups even at room temperature. The desired pyrazino-fused quinazolinones emit...

High-performance fluorescent organic electroluminescent devices benefit from sensitization of thermally activated delayed fluorescence

2021 ◽  
Author(s):  
Rongzhen Cui ◽  
Liang Zhou ◽  
Weisong Sun ◽  
Wenxing Liu ◽  
Jiahai Wang
Keyword(s):  
High Performance ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Electroluminescent Devices ◽  
Fluorescent Material ◽  
Thermally Activated ◽  
Organic Electroluminescent

Efficient fluorescent electroluminescent devices were achieved by exploiting a thermally activated fluorescent material (3,5-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)phenyl)(pyridin-4-yl)methanone (DTCBPy) as a sensitizer.

Double-twist pyridine–carbonitrile derivatives yielding excellent thermally activated delayed fluorescence emitters for high-performance OLEDs

2020 ◽  
Vol 8 (2) ◽  
pp. 602-606 ◽  
Author(s):  
Jiafang Li ◽  
Wen-Cheng Chen ◽  
He Liu ◽  
Zhanxiang Chen ◽  
Danyang Chai ◽  
...  
Keyword(s):  
High Performance ◽  
Design Strategy ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

Two dicyanopyridine-containing TADF emitters were developed via the double-twist design strategy, yielding EQEmax values of 25.8% and 21.1%.

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