Results 51 to 60 of about 4,660 (240)

Acceptor-Donor-Acceptor π-Stacking Boosts Intramolecular Through-Space Charge Transfer towards Efficient Red TADF and High-Performance OLEDs

Research, 2022
Organic push-pull systems featuring through-space charge transfer (TSCT) excited states have been disclosed to be capable of exhibiting thermally activated delayed fluorescence (TADF), but to realize high-efficiency long-wavelength emission still remains
Chenglin Jiang, Jingsheng Miao, Danwen Zhang, Zhenhua Wen, Chuluo Yang, Kai Li   +5 more
doaj   +1 more source

Improved Prediction of Maximum EQE in TADF-based OLEDs Through Ensemble Learning

, 2022
In recent times, we have seen colossal growth in the field of Thermally Activated Delayed Fluorescence (TADF)-based OLEDs in terms of synthesis and applications in sensing and imaging.
BIDHAN CHANDRA, GARAIN, Swapan K., Pati
core   +1 more source

Effect of void-carbon on blue-shifted luminescence in TADF molecules by theoretical simulations

Frontiers in Chemistry, 2023
Thermally activated delayed fluorescence (TADF) molecules have a theoretical 100% photoluminescence quantum yield in comparison with traditional fluorescent materials, leading to broad application in organic light-emitting diode (OLED).
Boyuan Zhang, Haoyang Xu, Yumin Xia, Jin Wen, Meifang Zhu   +4 more
doaj   +1 more source

Highly Efficient Thermally Activated Delayed Fluorescence Emitter Developed by Replacing Carbazole With 1,3,6,8-Tetramethyl-Carbazole

Frontiers in Chemistry, 2019
Carbazole (Cz) is the one of the most popular electron donors to develop thermally activated delayed fluorescence (TADF) emitters, but additional groups are generally required in the molecules to enhance the steric hindrance between Cz and electron ...
Jia-Lin Cai, Wei Liu, Kai Wang, Jia-Xiong Chen, Yi-Zhong Shi, Ming Zhang, Cai-Jun Zheng, Si-Lu Tao, Xiao-Hong Zhang   +8 more
doaj   +1 more source

Conformational isomerization: A novel mechanism to realize the AIE‐TADF behaviors

Aggregate, 2023
Thermally activated delayed fluorescence (TADF) materials with aggregation‐induced emission (AIE) features can overcome aggregation‐caused quenching (ACQ) and emit intensely in aggregate states and thus have attracted enormous attention in the fields of ...
Hao Wu, Xiao‐Chun Fan, Hui Wang, Feng Huang, Xin Xiong, Yi‐Zhong Shi, Kai Wang, Jia Yu, Xiao‐Hong Zhang   +8 more
doaj   +1 more source

Emission and Absorption Tuning in MR-TADF B,N-Doped Hep-tacenes: Towards Ideal-Blue Hyperfluorescent OLEDs

, 2022
Developing high-efficiency purely organic blue organic light-emitting diodes (OLEDs) that meet the stringent industry standards is a major current research challenge.
Yoann, Olivier, David, Beljonne, David, Hall, Alexandra, Slawin, Kleitos, Stavrou, Andrew, Monkman, Eli, Zysman-Colman, Stuart, Warriner, Subeesh, Suresh, Andrew, Danos, Nadzeya, Kukhta   +10 more
core   +1 more source

An Alternative Host Material for Long‐Lifespan Blue Organic Light‐Emitting Diodes Using Thermally Activated Delayed Fluorescence

Advanced Science, 2017
It has been challenging to find stable blue organic light emitting diodes (OLEDs) that rely on thermally activated delayed fluorescence (TADF). Lack of stable host materials well‐fitted to the TADF emitters is one of the critical reasons.
Soo‐Ghang Ihn, Namheon Lee, Soon Ok Jeon, Myungsun Sim, Hosuk Kang, Yongsik Jung, Dal Ho Huh, Young Mok Son, Sae Youn Lee, Masaki Numata, Hiroshi Miyazaki, Rafael Gómez‐Bombarelli, Jorge Aguilera‐Iparraguirre, Timothy Hirzel, Alán Aspuru‐Guzik, Sunghan Kim, Sangyoon Lee   +16 more
doaj   +1 more source

Synthesis and characterization of a thermally activated fluorescent emitter bearing 2,2'-dipyridylamine as donor [PDF]

, 2023
openNei processi di generazione di luce attraverso ricombinazione di cariche la popolazione degli stati eccitati non è vincolata dalle regole di selezione, di conseguenza gli stati eccitati di singoletto e di tripletto vengono popolati statisticamente ...
NACCARI, ANDREA
core  

Advances in Host-Free White Organic Light-Emitting Diodes Utilizing Thermally Activated Delayed Fluorescence: A Comprehensive Review

Micromachines
The ever-growing prominence and widespread acceptance of organic light-emitting diodes (OLEDs), particularly those employing thermally activated delayed fluorescence (TADF), have firmly established them as formidable contenders in the field of lighting ...
Wenxin Zhang, Yaxin Li, Gang Zhang, Xiaotian Yang, Xi Chang, Guoliang Xing, He Dong, Jin Wang, Dandan Wang, Zhihong Mai, Xin Jiang   +10 more
doaj   +1 more source

Color‐Pure Organic Luminophores: Characteristics, Definitions, Physical Basis and Fundamental Design Principles

Angewandte Chemie, EarlyView.
Color‐pure all‐organic emitters, i.e., with narrow spectral characteristics, are intensively studied for high‐definition organic LEDs and multi‐color bioimaging. In order to guide targeted materials design, this educative review discusses spectral characteristics, proper definitions and units, and the physical basis of spectral broadening, to distill ...
Johannes Gierschner, Sunwu Song, Siyang Feng, Liangxuan Wang, Miguel Ródenas, Begoña Milián‐Medina, Min Sang Kwon   +6 more
wiley   +2 more sources