Journal ArticleDOI
Sky-Blue Organic Light Emitting Diode with 37% External Quantum Efficiency Using Thermally Activated Delayed Fluorescence from Spiroacridine-Triazine Hybrid.
Ting-An Lin,Tanmay Chatterjee,Wei-Lung Tsai,Wei-Kai Lee,Meng-Jung Wu,Min Jiao,Kuan-Chung Pan,Chih-Lung Yi,Chin-Lung Chung,Ken-Tsung Wong,Chung-Chih Wu +10 more
TLDR
Extremely efficient sky-blue organic electroluminescence with external quantum efficiency of ≈37% is achieved in a conventional planar device structure using a highly efficient thermally activated delayed fluorescence emitter based on the spiroacridine-triazine hybrid.Abstract:
Extremely efficient sky-blue organic electroluminescence with external quantum efficiency of ≈37% is achieved in a conventional planar device structure, using a highly efficient thermally activated delayed fluorescence emitter based on the spiroacridine-triazine hybrid and simultaneously possessing nearly unitary (100%) photoluminescence quantum yield, excellent thermal stability, and strongly horizontally oriented emitting dipoles (with a horizontal dipole ratio of 83%).read more
Citations
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Journal ArticleDOI
Recent advances in organic thermally activated delayed fluorescence materials.
Zhiyong Yang,Zhu Mao,Zongliang Xie,Yi Zhang,Siwei Liu,Juan Zhao,Jiarui Xu,Zhenguo Chi,Matthew P. Aldred +8 more
TL;DR: This review summarizes and discusses the latest progress concerning this rapidly developing research field, in which the majority of the reported TADF systems are discussed, along with their derived structure-property relationships, TadF mechanisms and applications.
Journal ArticleDOI
Perovskite light-emitting diodes based on spontaneously formed submicrometre-scale structures
Yu Cao,Nana Wang,He Tian,Jingshu Guo,Yingqiang Wei,Hong Chen,Yanfeng Miao,Wei Zou,Kang Pan,Yarong He,Hui Cao,You Ke,Mengmeng Xu,Ying Wang,Ming Yang,Kai Du,Zewu Fu,Decheng Kong,Daoxin Dai,Yizheng Jin,Gongqiang Li,Hai Li,Qiming Peng,Jianpu Wang,Wei Huang,Wei Huang,Wei Huang +26 more
TL;DR: The formation of submicrometre-scale structure in perovskite light-emitting diodes can raise their external quantum efficiency beyond 20%, suggesting the possibility of both high efficiency and high brightness.
Journal ArticleDOI
Purely Organic Thermally Activated Delayed Fluorescence Materials for Organic Light-Emitting Diodes.
TL;DR: A comprehensive review of TADF materials is presented, with a focus on linking their optoelectronic behavior with the performance of the organic light-emitting diode (OLED) and related EL devices.
Journal ArticleDOI
All-organic thermally activated delayed fluorescence materials for organic light-emitting diodes
TL;DR: In this paper, the molecular design, photophysical characteristics and OLEDs composed of small-molecule, dendritic and polymeric TADF emitters are discussed.
Journal ArticleDOI
Molecular Design Strategy of Organic Thermally Activated Delayed Fluorescence Emitters
TL;DR: In this article, the authors reviewed molecular design strategies of organic-based TADF emitters by classifying them into several categories depending on the material parameters required for the TADFs.
References
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Ching Wan Tang,Steven A Vanslyke +1 more
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TL;DR: In this article, a host material doped with the phosphorescent dye PtOEP (PtOEP II) was used to achieve high energy transfer from both singlet and triplet states.
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Highly efficient organic light-emitting diodes from delayed fluorescence
Hiroki Uoyama,Kenichi Goushi,Kenichi Goushi,Katsuyuki Shizu,Hiroko Nomura,Chihaya Adachi,Chihaya Adachi +6 more
TL;DR: A class of metal-free organic electroluminescent molecules in which the energy gap between the singlet and triplet excited states is minimized by design, thereby promoting highly efficient spin up-conversion from non-radiative triplet states to radiative singlet states while maintaining high radiative decay rates.
Journal ArticleDOI
Thermally Activated Delayed Fluorescence Materials Towards the Breakthrough of Organoelectronics
Ye Tao,Kai Yuan,Ting Chen,Peng Xu,Huanhuan Li,Runfeng Chen,Chao Zheng,Lei Zhang,Wei Huang,Wei Huang +9 more
TL;DR: An overview of the quick development in TADF mechanisms, materials, and applications is presented, with a particular emphasis on their different types of metal-organic complexes, D-A molecules, and fullerenes.
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Organic light-emitting diodes employing efficient reverse intersystem crossing for triplet-to-singlet state conversion
TL;DR: In this article, high efficiency fluorescent organic light-emitting diodes have been realized by employing custom-designed molecules that make it possible to convert non-radiative triplet states into radiative singlet states.