Cyclohexane-cored dendritic host materials with high triplet energy for efficient solution-processed blue thermally activated delayed fluorescence OLEDs

2020 ◽  
Vol 174 ◽  
pp. 108097 ◽  
Author(s):  
Zhihua Ma ◽  
Wenyue Dong ◽  
Xiaoling Lü ◽  
Peng Chen ◽  
Jianhua Hou ◽  
...  
Keyword(s):  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Triplet Energy ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials

Dendritic host materials with non-conjugated adamantane cores for efficient solution-processed blue thermally activated delayed fluorescence OLEDs

2019 ◽  
Vol 7 (38) ◽  
pp. 11845-11850 ◽  
Author(s):  
Zhihua Ma ◽  
Wenyue Dong ◽  
Jianhua Hou ◽  
Qian Duan ◽  
Shiyang Shao ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials

Dendritic hosts containing non-conjugated adamantane cores are developed for solution-processed blue TADF OLEDs with a maximum external quantum efficiency of 18.3%.

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).

scholarly journals δ-Carboline-based bipolar host materials for deep blue thermally activated delayed fluorescence OLEDs with high efficiency and low roll-off characteristic

RSC Advances ◽  
2018 ◽  
Vol 8 (31) ◽  
pp. 17025-17033 ◽  
Author(s):  
Ji Su Moon ◽  
Dae Hyun Ahn ◽  
Si Woo Kim ◽  
Seung Yeon Lee ◽  
Ju Young Lee ◽  
...  
Keyword(s):  
External Quantum Efficiency ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Triplet Energy ◽  
Characteristic P ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Deep Blue ◽  
Host Materials ◽  
Low Efficiency

We report two new bipolar host materials with ~3.0 eV high triplet energy. Fabricated deep blue TADF OLEDs with these hosts exhibited external quantum efficiency as high as 22.9% and low efficiency roll-off (19.2% at 1000 cd m–2).

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