Results 41 to 50 of about 3,547 (153)

Ladder-like energy-relaying exciplex enables 100% internal quantum efficiency of white TADF-based diodes in a single emissive layer

Nature Communications, 2021
Realizing efficient white organic light-emitting diodes (WOLEDs) with a single thermally-activated delayed fluorescence (TADF) emissive layer remains a challenge.
Chunmiao Han, Ruiming Du, Hui Xu, Sanyang Han, Peng Ma, Jinkun Bian, Chunbo Duan, Ying Wei, Mingzhi Sun, Xiaogang Liu, Wei Huang   +10 more
doaj   +1 more source

Thioxanthone-containing blue thermally activated delayed fluorescent emitter

Applied Physics Express, 2022
Abstract Accelerating reverse intersystem crossing (RISC) without sacrificing fast radiative decay is effective in suppressing efficiency roll‐off (eRO) in thermally activated delayed fluorescence (TADF)‐based organic light‐emitting diodes.
Natsuko Kanno, Yongxia Ren, Yu Kusakabe, Katsuaki Suzuki, Katsuyuki Shizu, Hiroyuki Tanaka, Yoshimasa Wada, Hiromichi Nakagawa, Jan Geldsetzer, Hironori Kaji   +9 more
openaire   +2 more sources

The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation. [PDF]

Chem Rev
Dos Santos JM, Hall D, Basumatary B, Bryden M, Chen D, Choudhary P, Comerford T, Crovini E, Danos A, De J, Diesing S, Fatahi M, Griffin M, Gupta AK, Hafeez H, Hämmerling L, Hanover E, Haug J, Heil T, Karthik D, Kumar S, Lee O, Li H, Lucas F, Mackenzie CFR, Mariko A, Matulaitis T, Millward F, Olivier Y, Qi Q, Samuel IDW, Sharma N, Si C, Spierling L, Sudhakar P, Sun D, Tankelevičiu Tė E, Duarte Tonet M, Wang J, Wang T, Wu S, Xu Y, Zhang L, Zysman-Colman E.   +43 more
europepmc   +2 more sources

Electron spin resonance resolves intermediate triplet states in delayed fluorescence

Nature Communications, 2021
Despite advances in the design of thermally activated delayed fluorescence (TADF) emitters for devices, the effect of spin interactions is not well understood.
Bluebell H. Drummond, Naoya Aizawa, Yadong Zhang, William K. Myers, Yao Xiong, Matthew W. Cooper, Stephen Barlow, Qinying Gu, Leah R. Weiss, Alexander J. Gillett, Dan Credgington, Yong-Jin Pu, Seth R. Marder, Emrys W. Evans   +13 more
doaj   +1 more source

A new approach exploiting thermally activated delayed fluorescence molecules to optimize solar thermal energy storage

Nature Communications, 2022
Direct conversion of solar energy to stored chemical energy can be achieved through photoisomerization. Here, authors exploit thermally activated delayed fluorescence materials as a photosensitizer and signal transducer to harness solar energy, to ...
Fan-Yi Meng, I-Han Chen, Jiun-Yi Shen, Kai-Hsin Chang, Tai-Che Chou, Yi-An Chen, Yi-Ting Chen, Chi-Lin Chen, Pi-Tai Chou   +8 more
doaj   +1 more source

Onion-like multicolor thermally activated delayed fluorescent carbon quantum dots for efficient electroluminescent light-emitting diodes

Nature Communications
Carbon quantum dots are emerging as promising nanomaterials for next-generation displays. The elaborate structural design is crucial for achieving thermally activated delayed fluorescence, particularly for improving external quantum efficiency of ...
Yuxin Shi, Yang Zhang, Zhibin Wang, Ting Yuan, Ting Meng, Yunchao Li, Xiaohong Li, Fanglong Yuan, Zhan’ao Tan, Louzhen Fan   +9 more
doaj   +1 more source

Long-lived efficient delayed fluorescence organic light-emitting diodes using n-type hosts

Nature Communications, 2017
OLEDs based on thermally activated delayed fluorescence have shown high fluorescence efficiency but poor lifetime. Herein, Cui et al. demonstrate that the use of n-type host molecules can increase the device lifetime by 30 times and 1000 times for green ...
Lin-Song Cui, Shi-Bin Ruan, Fatima Bencheikh, Ryo Nagata, Lei Zhang, Ko Inada, Hajime Nakanotani, Liang-Sheng Liao, Chihaya Adachi   +8 more
doaj   +1 more source

Fluorescent homooxacalixarenes: recent applications in supramolecular systems

Frontiers in Chemistry, 2023
This review covers recent advances (from 2006 to date) in supramolecular systems based on fluorescent homooxacalixarenes, namely hexahomotrioxacalix[3]arenes, dihomooxacalix[4]arenes and tetrahomodioxacalix[4]arenes, focusing on fluorescence sensing ...
Paula M. Marcos, Paula M. Marcos, Mário N. Berberan-Santos   +2 more
doaj   +1 more source

Zinc Donor–Acceptor Schiff Base Complexes as Thermally Activated Delayed Fluorescence Emitters

Chemosensors, 2022
Four new zinc(II) Schiff base complexes with carbazole electron donor units and either a 2,3-pyrazinedicarbonitrile or a phthalonitrile acceptor unit were synthesized.
Andreas Russegger, Lisa Eiber, Andreas Steinegger, Sergey M. Borisov   +3 more
doaj   +1 more source

Kinetic Modeling of Transient Photoluminescence from Thermally Activated Delayed Fluorescence [PDF]

The Journal of Physical Chemistry C, 2018
A simplified state model and associated rate equations are used to extract the reverse intersystem crossing and other key rate constants from transient photoluminescence measurements of two high performance thermally activated delayed fluorescence materials.
Nils Haase, Andrew Danos, Christof Pflumm, Antonia Morherr, Patrycja Stachelek, Amel Mekic, Wolfgang Brütting, Andrew P. Monkman   +7 more
openaire   +4 more sources