Results 241 to 250 of about 13,406 (265)

Solution‐Processed Pure Red TADF Organic Light‐Emitting Diodes With High External Quantum Efficiency and Saturated Red Emission Color

Advances in Materials, 2023
In spite of recent research progress in red thermally activated delayed fluorescence (TADF) emitters, highly efficient solution‐processable pure red TADF emitters are rarely reported.
S. Kothavale, Seung Chan Kim, Kiun Cheong, Songkun Zeng, Yafei Wang, Jun Yeob Lee   +5 more
semanticscholar   +1 more source

A Simple Approach to Solution-Processible Small-Molecule Multi-Resonance TADF Emitters for High -Performance Narrowband OLEDs.

Angewandte Chemie, 2023
Most multi-resonance (MR) induced thermally activated delayed fluorescence (TADF) emitters generally exhibit strong aggregation and relatively worse solubility due to their rigid and planar molecule structures, which is highly undesirable for solution ...
Tao Wang, Xiaojun Yin, Xiaosong Cao, Chuluo Yang   +3 more
semanticscholar   +1 more source

Combining Carbazole Building Blocks and ν-DABNA Heteroatom Alignment for a Double Boron-Embedded MR-TADF Emitter with Improved Performance.

Angewandte Chemie, 2023
Building blocks and heteroatom alignments are two determining factors in designing multiple resonance (MR)-type thermally activated delayed fluorescence (TADF) emitters.
Feng Huang, Xiaochun Fan, Ying-Chun Cheng, Hao Wu, Xin Xiong, Jia Yu, Kai Wang, Xiaohong Zhang   +7 more
semanticscholar   +1 more source

Quenching‐Resistant Multiresonance TADF Emitter Realizes 40% External Quantum Efficiency in Narrowband Electroluminescence at High Doping Level

Advances in Materials, 2021
Multiresonance thermally activated delayed fluorescence (MR‐TADF) emitters manifest great potential for organic light‐emitting diodes (OLEDs) due to their high exciton‐utilization efficiency and narrowband emission.
Pengcheng Jiang, Jingsheng Miao, Xiaosong Cao, Han Xia, Ke Pan, Tao Hua, Xialei Lv, Zhongyan Huang, Yang Zou, Chuluo Yang   +9 more
semanticscholar   +1 more source

Facile Tuned TSCT-TADF in Donor-Acceptor MOF for Highly Adjustable Photonic Modules based on Heterostructures Crystals.

Angewandte Chemie, 2023
Highly adjustable photonic modules were constructed based on the heterostructures crystals of a new series of donor-acceptor metal-organic framework (D-A MOF) featuring highly tunable thermally activated delayed fluorescence (TADF).
Bo Zhang, Jun Xu, Changyu Li, Hongliang Huang, Mingxing Chen, Mei-Hui Yu, Ze Chang, X. Bu   +7 more
semanticscholar   +1 more source

Multiresonant TADF materials: triggering the reverse intersystem crossing to alleviate the efficiency roll-off in OLEDs.

Chemical Communications, 2023
The hunt for narrow-band emissive pure organic molecules capable of harvesting both singlet and triplet excitons for light emission has garnered enormous attention to promote the advancement of organic light-emitting diodes (OLEDs). Over the past decade,
K. Naveen, Paramasivam Palanisamy, M. Chae, J. Kwon   +3 more
semanticscholar   +1 more source

Au(I)‐TADF Emitters for High Efficiency Full‐Color Vacuum‐Deposited OLEDs and TADF‐Sensitized Fluorescent OLEDs with Ultrahigh Brightness and Prolonged Operational Lifetime

Advanced Optical Materials, 2023
Herein a class of structurally simple and operationally stable Au(I)‐TADF (TADF = thermally activated delayed fluorescence) materials, based on a carbene–metal–amide (CMA) molecular scaffold comprised of sterically bulky N‐heterocyclic carbene ligands ...
R. Tang, Shuo Xu, L. Du, Faan-Fung Hung, T. Lam, Gang Cheng, Kam-Hung Low, Qingyun Wan, Siping Wu, Yong Chen, C. Che   +10 more
semanticscholar   +1 more source

Blue TADF Conjugated Polymers with Multi‐Resonance Feature toward Solution‐Processable Narrowband Blue OLEDs

Advanced Functional Materials, 2023
The development of thermally activated delayed fluorescence (TADF) polymers with narrowband emission, particularly in the blue region, remains a formidable challenge. Herein, a new approach is demonstrated for blue TADF conjugated polymers by integrating
Wenbo Luo, Tao Wang, Zhongyan Huang, Haoxin Huang, Nengquan Li, Chuluo Yang   +5 more
semanticscholar   +1 more source

Rational Molecular Design Strategy for High-Efficiency Ultrapure Blue TADF Emitters: Symmetrical and Rigid Sulfur-Bridged Boron-Based Acceptors.

ACS Applied Materials and Interfaces, 2023
Developing highly efficient blue thermally activated delayed fluorescence (TADF) emitters with a narrowband emission is still a challenge. Here, novel ultrapure blue TADF emitters of TSBA-Cz and TSBA-PhCz were designed and synthesized for organic light ...
Honglei Gao, Zhi-yi Li, Zhiyi Pang, Yuanyuan Qin, Guanhao Liu, Teng Gao, Xiangyu Dong, Shaogang Shen, Xinbing Xie, Pengfei Wang, Chun-sing Lee, Ying Wang   +11 more
semanticscholar   +1 more source

Peripheral Substitution Engineering of MR‐TADF Emitters Embedded With B‒N Covalent Bond Towards Efficient BT.2020 Blue Electroluminescence

Advances in Materials
Compared with the classical boron/nitrogen (B/N) doped ones, multiple‐resonance thermally activated delayed fluorescence (MR‐TADF) emitters embedded with B–N covalent bond behave a significantly blue‐shifted narrowband TADF, and thus show a greater ...
Danrui Wan, Jianping Zhou, Ying Yang, Guoyun Meng, Dongdong Zhang, Lian Duan, Junqiao Ding   +6 more
semanticscholar   +1 more source