Simple construction of deep-red hexaazatrinaphthylene-based thermally activated delayed fluorescence emitters for efficient solution-processed OLEDs with a peak at 692 nm

2019 ◽  
Vol 55 (94) ◽  
pp. 14190-14193 ◽  
Author(s):  
Xue Zhou ◽  
Yepeng Xiang ◽  
Shaolong Gong ◽  
Zhanxiang Chen ◽  
Fan Ni ◽  
...  
Keyword(s):  
Nucleophilic Substitution ◽  
Substitution Reaction ◽  
High Performance ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Emission Peak ◽  
Simple Construction ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Electroluminescence Emission

Solution-processable deep-red TADF emitters are simply constructed through a catalyst-free nucleophilic substitution reaction, and enable high-performance OLEDs with an EQE of 4.8% and electroluminescence emission peak at 692 nm.

scholarly journals Design of efficient thermally activated delayed fluorescence blue host for high performance solution-processed hybrid white organic light emitting diodes

2019 ◽  
Vol 10 (10) ◽  
pp. 3054-3064 ◽  
Author(s):  
Xinxin Ban ◽  
Feng Chen ◽  
Yan Liu ◽  
Jie Pan ◽  
Aiyun Zhu ◽  
...  
Keyword(s):  
High Performance ◽  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

A highly efficient solution-processible TADF blue host is developed by molecular encapsulation. Due to the steric shield effect of the peripheral units, the triplet–triplet and triplet–polaron quenching of the TADF blue host are restricted.

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.

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.

Rotation-restricted thermally activated delayed fluorescence compounds for efficient solution-processed OLEDs with EQEs of up to 24.3% and small roll-off

2020 ◽  
Vol 56 (44) ◽  
pp. 5957-5960 ◽  
Author(s):  
Kuofei Li ◽  
Yunhui Zhu ◽  
Bing Yao ◽  
Yuannan Chen ◽  
Hao Deng ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

A sandwich-like chromophore, composed of two donors and an inserted acceptor, is hitched onto a single carbazole to yield an efficient TADF emitter with excellent electroluminescent performance.

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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