The magneto-electroluminescence with the coexistence of reverse intersystem crossing and triplet-triplet annihilation in organic light emitting diodes

2015 ◽  
Vol 46 (2) ◽  
pp. 184-190
Author(s):  
ZuHong XIONG ◽  
Jie XIANG ◽  
QiuSong CHEN ◽  
QiaoMing ZHANG ◽  
De YUAN ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Intersystem Crossing ◽  
Light Emitting ◽  
Organic Light ◽  
Triplet Triplet Annihilation

Degradation of fluorescent organic light emitting diodes caused by quenching of singlet and triplet excitons

2020 ◽  
Vol 8 (42) ◽  
pp. 14873-14879
Author(s):  
Duy Cong Le ◽  
Duong Dai Nguyen ◽  
Savanna Lloyd ◽  
Toshi-kazu Suzuki ◽  
Hideyuki Murata
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Singlet Exciton ◽  
Organic Light ◽  
Positively Charged ◽  
Triplet Excitons ◽  
Triplet Triplet Annihilation

The initial luminescence loss of fluorescent OLEDs utilizing triplet–triplet annihilation is not only caused by quenching of singlet exciton with neutral quenchers but also by that of triplet excitons with positively charged quenchers.

Over 20% external quantum efficiency in red thermally activated delayed fluorescence organic light-emitting diodes using a reverse intersystem crossing activating host

2018 ◽  
Vol 6 (20) ◽  
pp. 5363-5368 ◽  
Author(s):  
Ji Han Kim ◽  
Dong Ryun Lee ◽  
Si Hyun Han ◽  
Jun Yeob Lee
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Intersystem Crossing ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

Highly efficient red thermally activated delayed fluorescence organic light-emitting diodes were developed using a reverse intersystem crossing activating host derived from phenylcarbazole and pyridofuropyridine.

Direct observation of reverse intersystem crossing from fully confined triplet exciplexes using magneto-electroluminescence

2019 ◽  
Vol 7 (35) ◽  
pp. 10841-10850 ◽  
Author(s):  
Xi Zhao ◽  
Xiantong Tang ◽  
Ruiheng Pan ◽  
Jing Xu ◽  
Fenlan Qu ◽  
...  
Keyword(s):  
Direct Observation ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Intersystem Crossing ◽  
Light Emitting ◽  
Triplet Exciplexes ◽  
Organic Light

Magneto-electroluminescence was used to observe reverse intersystem crossing in exciplex-based organic light-emitting diodes directly.

Triplet-triplet annihilation process in exciplex-based organic light-emitting diodes

2015 ◽  
Vol 60 (11) ◽  
pp. 1022-1029 ◽  
Author(s):  
YongZhou LING ◽  
WeiYao JIA ◽  
ChenXiao ZHAO ◽  
QiaoMing ZHANG ◽  
ChenLei LU ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Annihilation Process ◽  
Light Emitting ◽  
Organic Light ◽  
Triplet Triplet Annihilation
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