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.

scholarly journals Through-space charge transfer hexaarylbenzene dendrimers with thermally activated delayed fluorescence and aggregation-induced emission for efficient solution-processed OLEDs

2019 ◽  
Vol 10 (10) ◽  
pp. 2915-2923 ◽  
Author(s):  
Xingdong Wang ◽  
Shumeng Wang ◽  
Jianhong Lv ◽  
Shiyang Shao ◽  
Lixiang Wang ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Space Charge ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Electron Donors ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Aggregation Induced Emission ◽  
Thermally Activated

Through-space charge transfer hexaarylbenzene dendrimers containing circularly-arrayed electron donors and acceptors exhibit thermally activated delayed fluorescence and aggregation-induced emission effects, giving EQE of 14.2% for solution-processed OLEDs.

Molecular engineering of dendritic luminogens with thermally activated delayed fluorescence and aggregation-induced emission characteristics for efficient solution-processed non-doped OLEDs

2020 ◽  
Vol 8 (35) ◽  
pp. 12272-12283
Author(s):  
Fulong Ma ◽  
Xinxin Zhao ◽  
Hefang Ji ◽  
Dongdong Zhang ◽  
Kamran Hasrat ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Molecular Engineering ◽  
Intersystem Crossing ◽  
Emission Characteristics ◽  
Molecular Configuration ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Luminescence Efficiency

Improving the luminescence efficiency and reverse intersystem crossing of dendritic luminogens with AIE and TADF features by employing a highly twisted molecular configuration and multiple transition channels for solution-processed OLEDs.

Manipulating Förster and Dexter interactions between thermally activated delayed fluorescence host and phosphorescent dopant for highly efficient solution-processed red and white OLEDs

2022 ◽  
Author(s):  
Yang Tang ◽  
Yuan Liu ◽  
Weimin Ning ◽  
Lisi Zhan ◽  
Junqiao Ding ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light ◽  
White Oleds

Solution-processed phosphorescent organic light-emitting diodes (PhOLEDs) have been known as promising alternatives to vacuum deposited counterparts due to the excellent cost-effectiveness. However, the solution-processed devices still suffered from low efficiencies...

Efficient solution-processed orange-red organic light-emitting diodes based on a novel thermally activated delayed fluorescence emitter

2018 ◽  
Vol 6 (34) ◽  
pp. 9152-9157 ◽  
Author(s):  
Xing Li ◽  
Kai Wang ◽  
Yi-Zhong Shi ◽  
Ming Zhang ◽  
Gao-Le Dai ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

A novel thermally activated delayed fluorescence (TADF) emitter was designed and synthesized for solution-processed red organic light-emitting diodes (OLEDs).

Efficient solution-processed red all-fluorescent organic light-emitting diodes employing thermally activated delayed fluorescence materials as assistant hosts: molecular design strategy and exciton dynamic analysis

2017 ◽  
Vol 5 (21) ◽  
pp. 5223-5231 ◽  
Author(s):  
Dongjun Chen ◽  
Xinyi Cai ◽  
Xiang-Long Li ◽  
Zuozheng He ◽  
Chengsong Cai ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Molecular Design ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Förster Energy Transfer ◽  
Red Oleds

Efficient Förster energy transfer process from TADF assistant hosts to fluorescent dye affords efficient solution-processed red OLEDs with a maximum EQE of 8.0%.

Star-shaped thermally activated delayed fluorescence emitters with a tri-armed arylsulfonic acceptor for efficient solution processed organic light emitting diodes

2020 ◽  
Vol 8 (16) ◽  
pp. 5580-5586 ◽  
Author(s):  
Ran Xiao ◽  
Yepeng Xiang ◽  
Xiaosong Cao ◽  
Nengquan Li ◽  
Taian Huang ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Green Emission ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

Two star-shaped TADF emitters bearing an arylsulfone-derived acceptor were developed for wet-processed OLEDs, with efficient blue/green emission and low roll-off.

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