Results 41 to 50 of about 6,698 (296)

Comparative study of thermally activated delayed fluorescent properties of donor–acceptor and donor–acceptor–donor architectures based on phenoxazine and dibenzo[a,j]phenazine

Beilstein Journal of Organic Chemistry, 2022
A new thermally activated delayed fluorescence (TADF) compound based on a donor–acceptor (D–A) architecture (D = phenoxazine; A = dibenzo[a,j]phenazine) has been developed, and its photophysical properties were characterized.
Saika Izumi, Prasannamani Govindharaj, Anna Drewniak, Paola Zimmermann Crocomo, Satoshi Minakata, Leonardo Evaristo de Sousa, Piotr de Silva, Przemyslaw Data, Youhei Takeda   +8 more
doaj   +1 more source

Thermally Activated Delayed Fluorescence emitter

, 2023
This is a Thermally Activated Delayed Fluorescence emitter containing more than 250 samples.We also added some donor and receptor molecular fragments.If you would like to use this dataset, please contact me.
Heidung Lau (17452285), Manhang Gam (17451399)   +1 more
core   +1 more source

Operational lifetimes of organic light-emitting diodes dominated by Förster resonance energy transfer

Scientific Reports, 2017
Organic light-emitting diodes are a key technology for next-generation information displays because of their low power consumption and potentially long operational lifetimes.
Hirohiko Fukagawa, Takahisa Shimizu, Yukiko Iwasaki, Toshihiro Yamamoto   +3 more
doaj   +1 more source

High efficiency blue organic light-emitting diodes with below-bandgap electroluminescence

Nature Communications, 2021
Thermally activated delayed fluorescence organic light-emitting diodes (TADF-OLEDs) rely on high triplet energy interlayers to confine excitons, which results in reduced performance.
Maria Vasilopoulou, Abd. Rashid bin Mohd Yusoff, Matyas Daboczi, Julio Conforto, Anderson Emanuel Ximim Gavim, Wilson Jose da Silva, Andreia Gerniski Macedo, Anastasia Soultati, George Pistolis, Fabio Kurt Schneider, Yifan Dong, Polina Jacoutot, Georgios Rotas, Jin Jang, Georgios C. Vougioukalakis, Christos L. Chochos, Ji-Seon Kim, Nicola Gasparini   +17 more
doaj   +1 more source

Characterization of Excited States in a Multiple-Resonance-Type Thermally Activated Delayed Fluorescence Molecule Using Time-resolved Infrared Spectroscopy

, 2021
We have investigated the correlation between the photophysical properties and the excited-state detailed characteristics in a multiple-resonance-type thermally activated delayed fluorescence (TADF) molecule, DABNA-1, using time-resolved infrared ...
Masaki, Saigo, Takumi, Ehara, Yuushi, Shimoda, Ken, Onda, Kiyoshi, Miyata, Tomohiro, Ryu   +5 more
core   +1 more source

Palladium Catalyzed C3-(sp2)-H Alkenylation of Pyrroles: A Direct Access to Novel Organic Thermally Activated Delayed Fluorescence (TADF) Materials

, 2023
A Pd (II)-catalyzed direct C3-(sp2)-H alkenylation of heteroarenes using benzothiazole as a directing group has been successfully achieved. A wide range of 2-N-alkylpyrroles undergo an oxidative coupling with a variety of acrylates to furnish highly ...
Anindita , Bhowmick, Abhijit, Chatterjee, Javed Y. , Shaikh, Debasish , Laha, Dr. Ramakrishna G., Bhat   +4 more
core   +1 more source

Substituent effect on TADF properties of 2-modified 4,6-bis(3,6-di-tert-butyl-9-carbazolyl)-5-methylpyrimidines

Beilstein Journal of Organic Chemistry, 2022
The interest in organic materials exhibiting thermally activated delayed fluorescence (TADF) significantly increased in recent years owing to their potential application as emitters in highly efficient organic light emitting diodes (OLEDs).
Irina Fiodorova, Tomas Serevičius, Rokas Skaisgiris, Saulius Juršėnas, Sigitas Tumkevicius   +4 more
doaj   +1 more source

Constructing Narrowband Thermally Activated Delayed Fluorescence Materials with Emission Maxima Beyond 560 nm Based on Frontier Molecular Orbital Engineering

, 2021
The development of purely organic materials with narrowband emission in long wavelength region beyond 560 nm still remains a great challenge. Herein, we present a modification approach of multiple resonance (MR) skeleton with electron donor based on ...
Xinliang, Cai, Qingyang, Wang, Yincai, Xu, Chenglong, Li, Yue, Wang   +4 more
core   +1 more source

Ionic Multi-Resonant Thermally Activated Delayed Fluorescence Emitters for Light Emitting Electrochemical Cells

, 2022
We designed and synthesized two new ionic thermally activated delayed fluorescent (TADF) emitters that are charged analogues of a known multiresonant TADF (MR-TADF) compound, DiKTa.
Tomas, Matulaitis, Daniel, Tordera, Ifor, Samuel, Merve, Karaman, Subeesh, Madayanad Suresh, Henk, Bolink, Eli, Zysman-Colman, Lorenzo, Mardegan, Stuart, Warriner, Abhishek, Kumar Gupta, Sen, Wu   +10 more
core   +1 more source

Competition between ultralong organic phosphorescence and thermally activated delayed fluorescence in dichloro derivatives of 9-benzoylcarbazole

, 2022
Optoelectronic materials based on metal-free organic molecules represent a promising alternative to traditional inorganic devices. Significant attention has been devoted to the development of the third generation of OLEDs which are based on the ...
Rachel, Crespo-Otero, Alston J. , Misquitta, Amir , Sidat, Ljiljana, Stojanovic, Federico J. , Hernández   +4 more
core   +1 more source