Solution processible triphenylphosphine-oxide-cored dendritic hosts featuring thermally activated delayed fluorescence for power-efficient blue electrophosphorescent devices

2019 ◽  
Vol 7 (32) ◽  
pp. 9850-9855 ◽  
Author(s):  
Mingming Zhang ◽  
Liang Chen ◽  
Xiushang Xu ◽  
Lei Zhao ◽  
Shumeng Wang ◽  
...  
Keyword(s):  
Phosphine Oxide ◽  
Triphenylphosphine Oxide ◽  
Delayed Fluorescence ◽  
Device Performance ◽  
Thermally Activated Delayed Fluorescence ◽  
Power Efficient ◽  
Thermally Activated ◽  
New Hosts

A series of phosphine oxide based dendritic hosts have been developed. Compare with conventional dendritic host H2, the new hosts not only maintain high T1 but also have a small ΔEST and bring higher device performance.

The role of fluorine-substitution on the π-bridge in constructing effective thermally activated delayed fluorescence molecules

2018 ◽  
Vol 6 (20) ◽  
pp. 5536-5541 ◽  
Author(s):  
Yun Li ◽  
Jiao-Jiao Liang ◽  
Hong-Cheng Li ◽  
Lin-Song Cui ◽  
Man-Keung Fung ◽  
...  
Keyword(s):  
Delayed Fluorescence ◽  
Device Performance ◽  
Fluorine Substitution ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Photophysical Behavior

The fluorination on the π-bridge can obviously affect the photophysical behavior of the emitters and thus improve the device performance.

A ternary phosphine oxide host featuring thermally activated delayed fluorescence for blue PHOLEDs with >20% EQE and extremely low roll-offs

2018 ◽  
Vol 6 (25) ◽  
pp. 6747-6754 ◽  
Author(s):  
Chenyu Li ◽  
Xuefeng Fan ◽  
Chunmiao Han ◽  
Hui Xu
Keyword(s):  
Phosphine Oxide ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Deep Blue

A TADF host supported its deep-blue PHOLED with an EQE of 22.9% for maximum and 20.3% at 1000 nits.

Phosphine oxide functionalized pyrenes as efficient blue light emitting multifunctional materials for organic light emitting diodes

2015 ◽  
Vol 3 (6) ◽  
pp. 1208-1224 ◽  
Author(s):  
Godumala Mallesham ◽  
Chidirala Swetha ◽  
Surukonti Niveditha ◽  
Maneesha Esther Mohanty ◽  
Nanubolu Jagadeesh Babu ◽  
...  
Keyword(s):  
Blue Light ◽  
Phosphine Oxide ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Excimer Emission ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

Efficient electron transporting blue emitting materials obtained from excimer emission assisted by thermally activated delayed fluorescence.

Sign in / Sign up

Export Citation Format

Share Document