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 ◽  
...  

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%.

Author(s):  
Yang Tang ◽  
Yuan Liu ◽  
Weimin Ning ◽  
Lisi Zhan ◽  
Junqiao Ding ◽  
...  

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...


2018 ◽  
Vol 6 (34) ◽  
pp. 9152-9157 ◽  
Author(s):  
Xing Li ◽  
Kai Wang ◽  
Yi-Zhong Shi ◽  
Ming Zhang ◽  
Gao-Le Dai ◽  
...  

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


2020 ◽  
Vol 8 (16) ◽  
pp. 5580-5586 ◽  
Author(s):  
Ran Xiao ◽  
Yepeng Xiang ◽  
Xiaosong Cao ◽  
Nengquan Li ◽  
Taian Huang ◽  
...  

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.


2019 ◽  
Vol 10 (10) ◽  
pp. 3054-3064 ◽  
Author(s):  
Xinxin Ban ◽  
Feng Chen ◽  
Yan Liu ◽  
Jie Pan ◽  
Aiyun Zhu ◽  
...  

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.


2021 ◽  
Author(s):  
Cathay Chai Au-Yeung ◽  
Lok-Kwan Li ◽  
Man-Chung Tang ◽  
Shiu-Lun Lai ◽  
Wai-Lung Cheung ◽  
...  

We report the design of a new class of fused heterocyclic alkynyl ligand-containing gold(iii) complexes, which shows tunable emission colors spanning yellow to red region and exhibits thermally activated delayed fluorescence (TADF) properties.


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