Results 251 to 260 of about 13,406 (265)

Dynamic Reversible Full-Color Piezochromic Fluorogens Featuring Through-Space Charge-Transfer TADF and their Application as X-Ray Imaging Scintillators.

Angewandte Chemie
Thermally activated delayed fluorescence (TADF) emitters featuring through-space charge transfer (TSCT) can be excellent candidates for piezochromic luminescent (PCL) materials due to their structural dynamics.
Wei Yang, Chenlong Xie, Tianhao Chen, Xiaojun Yin, Qianqian Lin, Shaolong Gong, Zewei Quan, Chuluo Yang   +7 more
semanticscholar   +1 more source

TADF-Type Organic Afterglow.

Angewandte Chemie, 2021
We report a highly efficient dopant-matrix afterglow system enabled by TADF mechanism to realize afterglow quantum yields of 60-70%, which features a moderate rate constant for reverse intersystem crossing ( k RISC ) to simultaneously improve afterglow ...
Xuepu Wang, Yan Sun, Guangming Wang, Jiuyang Li, Xun Li, Kaka Zhang   +5 more
semanticscholar   +1 more source

Achieving Narrow FWHM and High EQE Over 38% in Blue OLEDs Using Rigid Heteroatom‐Based Deep Blue TADF Sensitized Host

Advanced Functional Materials, 2021
Simultaneously obtaining high efficiency and deep blue emission in organic light emitting diodes (OLEDs) remains a challenge. To overcome the demands associated with deep blue thermally activated delayed fluorescence (TADF) emitters, two deep blue TADF ...
Ramanaskanda Braveenth, Hyuna Lee, Jae Doh Park, K. Yang, Soonjae Hwang, K. Naveen, Raju Lampande, J. Kwon   +7 more
semanticscholar   +1 more source

Chiral Multi-Resonance TADF Emitters Exhibiting Narrowband Circularly Polarized Electroluminescence with EQE of 37.2.

Angewandte Chemie, 2022
Highly efficient circularly polarized luminescence (CPL) emitters with narrowband emission remain a formidable challenge for circularly polarized OLEDs (CP-OLEDs).
Yiyu Yang, Nengquan Li, Jingsheng Miao, Xiaosong Cao, Ao Ying, Ke Pan, Xialei Lv, Fan Ni, Zhongyan Huang, Shaolong Gong, Chuluo Yang   +10 more
semanticscholar   +1 more source

Outstanding Circularly Polarized TADF in Chiral Cu(I) Emitters: From Design to Application in CP-TADF OLEDs.

Angewandte Chemie
Low-cost molecular emitters that merge circularly polarized luminescence (CPL) and thermally activated delayed fluorescence (TADF) properties are attractive for many high-tech applications.
M. Petyuk, Lingqiang Meng, Zihao Ma, A. Agafontsev, I. Bagryanskaya, Alexey S Berezin, Jingzhi Zhang, A. Chu, M. I. Rakhmanova, Hong Meng, Alexey V. Tkachev, V. Yam, A. Artem’ev   +12 more
semanticscholar   +1 more source

Dense Local Triplet States and Steric Shielding of a Multi‐Resonance TADF Emitter Enable High‐Performance Deep‐Blue OLEDs

Advances in Materials, 2022
Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) molecules based on boron and nitrogen atoms are emerging as next‐generation blue emitters for organic light‐emitting diodes (OLEDs) due to their narrow emission spectra and triplet ...
H. Cheon, Seung-Je Woo, Seung‐Hyun Baek, Jong-Seop Lee, Yun‐Hi Kim   +4 more
semanticscholar   +1 more source

Molecular Engineering of Sulfur-Bridged Polycyclic Emitters Towards Tunable TADF and RTP Electroluminescence.

Angewandte Chemie, 2022
Highly efficient organic thermally activated delayed fluorescence (TADF) and room-temperature phosphorescence (RTP) emitters for organic light-emitting diodes (OLEDs) generally consist of a twisted donor-acceptor skeleton with aromatic amine donors ...
Mengke Li, Wentao Xie, Xinyi Cai, Xiaomei Peng, Kunkun Liu, Qing Gu, Jiadong Zhou, Weidong Qiu, Zijian Chen, Yiyang Gan, Shi-jian Su   +10 more
semanticscholar   +1 more source

Exceeding 30% External Quantum Efficiency in Non-doped OLEDs Utilizing Solution Processable TADF Emitters with High Horizontal Dipole Orientation via Anchoring Strategy.

Angewandte Chemie, 2022
Strategies to enhance the ratio of the molecular horizontal emitting dipole orientation (Θ//) for thermally activated delayed fluorescence (TADF) emitters have unlocked the full potential of efficiencies for the evaporated devices, which, however, remain
Guimin Zhao, Dan Liu, Panpan Wang, Xinping Huang, Haowen Chen, Yuewei Zhang, Dongdong Zhang, Wei Jiang, Yueming Sun, Lian Duan   +9 more
semanticscholar   +1 more source

Planar Expansion Enhances Horizontal Orientation of Multi‐Resonance TADF Emitter Toward Highly Efficient Narrowband Blue OLEDs

Advanced Functional Materials
Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials are of vital importance for ultra‐high‐definition displays. However, developing molecular design tactics for blue MR‐TADF emitters that simultaneously achieve good TADF ...
Zhuixing Xue, Guohao Chen, Zhanxiang Chen, Wenbo Luo, Nengquan Li, Zhongyan Huang, Chuluo Yang   +6 more
semanticscholar   +1 more source

Metal‐Perturbed Multiresonance TADF Emitter Enables High‐Efficiency and Ultralow Efficiency Roll‐Off Nonsensitized OLEDs with Pure Green Gamut

Advances in Materials, 2022
Multiresonance (MR)‐induced thermally activated delayed fluorescence (TADF) emitters based on B‐ and N‐embedded polycyclic aromatics are desirable for ultrahigh‐definition organic light‐emitting diodes (OLEDs) due to their high photoluminescence quantum ...
Junjie Wang, Nengquan Li, Cheng Zhong, Jingsheng Miao, Zhongyan Huang, Mingxin Yu, Yu Xuan Hu, Sai Luo, Yang Zou, Kai Li, Chuluo Yang   +10 more
semanticscholar   +1 more source