Thermally activated delayed fluorescence polymers for high-efficiency solution-processed non-doped OLEDs: Convenient synthesis by binding TADF units and host units to the pre-synthesized polycarbazole-based backbone via click reaction

Polymer ◽  
2021 ◽  
pp. 124468
Author(s):  
Wansheng Zong ◽  
Weidong Qiu ◽  
Peng Yuan ◽  
Fanfan Wang ◽  
Yingliang Liu ◽  
...  
Keyword(s):  
High Efficiency ◽  
Click Reaction ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Convenient Synthesis

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.

Tuning the twist angle of thermally activated delayed fluorescence molecules via a dendronization strategy: high-efficiency solution-processed non-doped OLEDs

2017 ◽  
Vol 5 (14) ◽  
pp. 3480-3487 ◽  
Author(s):  
Yifan Li ◽  
Tianheng Chen ◽  
Manli Huang ◽  
Yu Gu ◽  
Shaolong Gong ◽  
...  
Keyword(s):  
Rate Constant ◽  
High Efficiency ◽  
Twist Angle ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

A dendronization strategy on a blue TADF core tunes the twist angle, ΔEST, DF lifetime and rate constant of RISC for high-efficiency solution-processed non-doped OLEDs.

Thermally activated delayed fluorescence enantiomers for solution-processed circularly polarized electroluminescence

2019 ◽  
Vol 7 (46) ◽  
pp. 14511-14516 ◽  
Author(s):  
Sibing Sun ◽  
Jun Wang ◽  
Lingfeng Chen ◽  
Runfeng Chen ◽  
Jibiao Jin ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Circularly Polarized ◽  
Thermally Activated

Enantiomers with circularly polarized (CP) thermally activated delayed fluorescence were designed in a chiral-D–A architecture for solution-processed high-efficiency CP-OLEDs.

Boosting the electroluminescence efficiency of solution-processed thermally activated delayed fluorescence OLEDs with a versatile hole-transporting layer of organic–inorganic hybrid perovskite

2018 ◽  
Vol 6 (23) ◽  
pp. 6305-6311 ◽  
Author(s):  
Tao Zhou ◽  
Cheng Liu ◽  
Shaolong Gong ◽  
Yepeng Xiang ◽  
Guohua Xie ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Inorganic Hybrid ◽  
Thermally Activated ◽  
Hybrid Perovskite ◽  
Hole Transporting

An organic–inorganic hybrid perovskite, CzEAP, is explored as an effective hole-transporting layer for high-efficiency solution-processed TADF OLEDs.

Achievement of high efficiency with extremely low efficiency roll-off in solution-processed thermally activated delayed fluorescence OLEDs manufactured using xanthone-based bipolar host materials

2020 ◽  
Vol 8 (20) ◽  
pp. 6780-6787 ◽  
Author(s):  
Chae Yeong Kim ◽  
Chiho Lee ◽  
Hyung Jong Kim ◽  
Jinhyo Hwang ◽  
Mallesham Godumala ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Structural Isomers ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials ◽  
Solution Processable ◽  
Low Efficiency

Two bipolar hosts as structural isomers were designed and synthesized for solution-processable green TADF-OLEDs. Corresponding devices showed excellent EQE over 21% and low efficiency roll-off.

Pyrimidine-based bipolar host materials for high efficiency solution processed green thermally activated delayed fluorescence OLEDs

2020 ◽  
Vol 8 (6) ◽  
pp. 2196-2204 ◽  
Author(s):  
Jiwon Yoon ◽  
Chiho Lee ◽  
Su Hong Park ◽  
Dong Won Kang ◽  
Hyojin Kim ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials ◽  
Solution Processable

In this study, three bipolar host materials (i.e.Py2Cz, Py2BFCz, and Py2ICz) for solution-processable green-emitting TADF-OLEDs were synthesized by coupling 2,4-diphenylpyrimidine to mCP and modifying the carbazole-donating units in the mCP structure.

High efficiency solution processed OLEDs using a thermally activated delayed fluorescence emitter

2015 ◽  
Vol 202 ◽  
pp. 165-168 ◽  
Author(s):  
Ryutaro Komatsu ◽  
Hisahiro Sasabe ◽  
Susumu Inomata ◽  
Yong-Jin Pu ◽  
Junji Kido
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated
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