scholarly journals Achieving 21% External Quantum Efficiency for Nondoped Solution‐Processed Sky‐Blue Thermally Activated Delayed Fluorescence OLEDs by Means of Multi‐(Donor/Acceptor) Emitter with Through‐Space/‐Bond Charge Transfer

2020 ◽  
Vol 7 (7) ◽  
pp. 1902087 ◽  
Author(s):  
Xujun Zheng ◽  
Rongjuan Huang ◽  
Cheng Zhong ◽  
Guohua Xie ◽  
Weimin Ning ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Bond Charge

Through-Space Charge Transfer Dendrimers Employing Oxygen-Bridged Triarylboron Acceptors for Efficient Deep-Blue Electroluminescence

2021 ◽  
Author(s):  
Baoyun Du ◽  
Xingdong Wang ◽  
Fan Chen ◽  
Qingqing Yang ◽  
Shiyang Shao ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Space Charge ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
State Of The Art ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Deep Blue

Though-space charge transfer dendrimers consisting of dendritic triacridan donors and oxygen-bridged triarylboron acceptors are demonstrated to exhibit deep-blue thermally activated delayed fluorescence with state-of-the-art external quantum efficiency of 14.6% for...

A dendrimer emitter doped in a dendrimer host: efficient thermally activated delayed fluorescence OLEDs with fully-solution processed organic-layers

2018 ◽  
Vol 2 (6) ◽  
pp. 1097-1103 ◽  
Author(s):  
K. Albrecht ◽  
K. Matsuoka ◽  
K. Fujita ◽  
K. Yamamoto
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Organic Layers ◽  
Thermally Activated

TADF OLEDs with fully solution-processed organic-layers with all dendrimer emitting layers that exhibit 16.1% external quantum efficiency.

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%.

Rational design of efficient orange-red to red thermally activated delayed fluorescence emitters for OLEDs with external quantum efficiency of up to 26.0% and reduced efficiency roll-off

2020 ◽  
Vol 8 (5) ◽  
pp. 1614-1622 ◽  
Author(s):  
Jixiong Liang ◽  
Chenglong Li ◽  
Yuanyuan Cui ◽  
Zhiqiang Li ◽  
Jiaxuan Wang ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Rational Design ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Low Efficiency

A class of novel donor–acceptor orange-red to red thermally activated delayed fluorescence (TADF) emitters with a maximum external quantum efficiency (EQE) of up to 26.0% and extremely low efficiency roll-off have been designed and synthesized.

Multi-carbazole encapsulation as a simple strategy for the construction of solution-processed, non-doped thermally activated delayed fluorescence emitters

2016 ◽  
Vol 4 (13) ◽  
pp. 2442-2446 ◽  
Author(s):  
Jiajia Luo ◽  
Shaolong Gong ◽  
Yu Gu ◽  
Tianheng Chen ◽  
Yifan Li ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Simple Strategy

Multi-carbazole encapsulation is demonstrated as a simple strategy for the development of solution-processed TADF emitters. The resulting OLED achieves a high external quantum efficiency of 12.2% for non-doped solution-processed fluorescent OLEDs.

An Unsymmetrical Thermally Activated Delayed Fluorescence Emitter Enables Orange-Red Electroluminescence with 31.7% External Quantum Efficiency

2021 ◽  
Author(s):  
Xuan Zeng ◽  
Yu-Hsin Huang ◽  
Shaolong Gong ◽  
Pan Li ◽  
Wei-Kai Lee ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
The Past ◽  
Donor Acceptor

The thermally activated delayed fluorescence (TADF) emitters based on donor-acceptor (D-A) configuration were continuously developed in the past few years, whereas the unsymmetrical TADF emitter with A-D-A' configuration has never...

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