Robust Luminescent Molecules with High‐Level Reverse Intersystem Crossing for Efficient Near Ultraviolet Organic Light‐Emitting Diodes

2022 ◽  
Author(s):  
Jinke Chen ◽  
Hao Liu ◽  
Jingjing Guo ◽  
Jianghui Wang ◽  
Nuoling Qiu ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Intersystem Crossing ◽  
Light Emitting ◽  
Near Ultraviolet ◽  
Organic Light ◽  
High Level

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.

Trap-induced conversion from singlet fission to intersystem crossing via in situ heating of rubrene-based organic light-emitting diodes

2019 ◽  
Vol 7 (3) ◽  
pp. 553-557 ◽  
Author(s):  
Hongqiang Zhu ◽  
Weiyao Jia ◽  
Lixiang Chen ◽  
Xiantong Tang ◽  
Yeqian Hu ◽  
...  
Keyword(s):  
High Temperature ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Intersystem Crossing ◽  
Singlet Fission ◽  
Heating Method ◽  
Light Emitting ◽  
Organic Light ◽  
In Situ Heating

An in situ heating method was used to investigate the effect of high temperature on the magneto-electroluminescence (MEL) of rubrene-based organic light-emitting diodes.

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