scholarly journals Blue thermally activated delayed fluorescence from a biphenyl difluoroboron β-diketonate

RSC Advances ◽  
2016 ◽  
Vol 6 (85) ◽  
pp. 81631-81635 ◽  
Author(s):  
Margaret L. Daly ◽  
Christopher A. DeRosa ◽  
Caroline Kerr ◽  
William A. Morris ◽  
Cassandra L. Fraser
Keyword(s):  
Optical Properties ◽  
Lactic Acid ◽  
Delayed Fluorescence ◽  
Poly Lactic Acid ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

Optical properties of biphenyl difluoroboron β-diketonates were studied in poly(lactic acid) (PLA) blends.

The Second-Order NLO and TADF Properties of Donor−Acceptor Dihydropyrene – Cyclophanediene System: the Impact of Molecular Architectures and Polarizable Environment

2021 ◽  
Author(s):  
yao Yao ◽  
Hongliang Xu ◽  
Zhong-Min Su
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Delayed Fluorescence ◽  
Second Order ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor ◽  
Molecular Architectures ◽  
The Impact

The electro-optical properties (nonlinear optical (NLO) and thermally activated delayed fluorescence (TADF) properties) of negative T-type dihydropyrene (DHP)-cyclophanediene (CPD) photoswitch were studied systematically in this work. An interesting “seesaw” phenomenon...

The Inspiration and Challenge for Through-Space Charge Transfer Architecture: From Thermally Activated Delayed Fluorescence to Nonlinear Optical Properties

2021 ◽  
Author(s):  
Jin-Ting Ye ◽  
Yongqing Qiu
Keyword(s):  
Optical Properties ◽  
Charge Transfer ◽  
Space Charge ◽  
Electron Acceptor ◽  
Nonlinear Optical ◽  
Organic Molecules ◽  
Building Blocks ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

Organic molecules consisting of electron donor (D) and electron acceptor (A) subunits linked by π-conjugated bridge are promising building blocks for the thermally activated delayed fluorescence (TADF) and nonlinear optical...

Solvent Dependence of Structural Dynamics and Spin-flip Processes in 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (ortho-3CzBN)

2020 ◽  
Author(s):  
Masaki Saigo ◽  
Kiyoshi Miyata ◽  
Hajime Nakanotani ◽  
Chihaya Adachi ◽  
Ken Onda
Keyword(s):  
Dft Calculations ◽  
Excited States ◽  
Structural Changes ◽  
Photophysical Properties ◽  
Delayed Fluorescence ◽  
Time Resolved ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Solvent Dependence ◽  
Acetonitrile Solutions

We have investigated the solvent-dependence of structural changes along with intersystem crossing of a thermally activated delayed fluorescence (TADF) molecule, 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (o-3CzBN), in toluene, tetrahydrofuran, and acetonitrile solutions using time-resolved infrared (TR-IR) spectroscopy and DFT calculations. We found that the geometries of the S1 and T1 states are very similar in all solvents though the photophysical properties mostly depend on the solvent. In addition, the time-dependent DFT calculations based on these geometries suggested that the thermally activated delayed fluorescence process of o-3CzBN is governed more by the higher-lying excited states than by the structural changes in the excited states.<br>

New hole transport styrene polymers bearing highly π-extended conjugated side-chain moieties for high-performance solution-processable thermally activated delayed fluorescence OLEDs

2021 ◽  
Vol 12 (11) ◽  
pp. 1692-1699
Author(s):  
Ji Hye Lee ◽  
Jinhyo Hwang ◽  
Chai Won Kim ◽  
Amit Kumar Harit ◽  
Han Young Woo ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Side Chain ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Turn On ◽  
Solution Processable

New polystyrene-based polymers with high π-extended hole transport pendants were synthesized to obtain a low turn-on voltage and high efficiency in solution-processed green TADF-OLEDs.

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