Photophysics and electroluminescence of red quantum dots diluted in a thermally activated delayed fluorescence host

2019 ◽  
Vol 7 (42) ◽  
pp. 13218-13223 ◽  
Author(s):  
Yepeng Xiang ◽  
Guohua Xie ◽  
Manli Huang ◽  
Chuluo Yang
Keyword(s):  
Quantum Dots ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Transport Layer ◽  
Host Material ◽  
Hole Transport Layer ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient

By simply mixing organic host material and quantum dots to form an emitting layer, highly efficient red QLEDs without a hole transport layer were achieved. The benchmark device based on the dendrimer host material reached a peak EQE of 11.9%.

A universal host material with a simple structure for monochrome and white phosphorescent/TADF OLEDs

2019 ◽  
Vol 7 (3) ◽  
pp. 558-566 ◽  
Author(s):  
Chao Wu ◽  
Binyan Wang ◽  
Yafei Wang ◽  
Jianyong Hu ◽  
Jiaxing Jiang ◽  
...  
Keyword(s):  
Simple Structure ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Host Material ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Organic Light

Highly efficient phosphorescent and thermally activated delayed fluorescence organic light-emitting diodes have been realized by employing a universal host material.

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.

Highly Efficient Near‐Infrared Electrofluorescence from a Thermally‐Activated Delayed Fluorescence Molecule

2021 ◽  
Author(s):  
Umamahesh Balijapalli ◽  
Ryo Nagata ◽  
Nishiki Yamada ◽  
Hajime Nakanotani ◽  
Masaki Tanaka ◽  
...  
Keyword(s):  
Near Infrared ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient
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