Is a small singlet–triplet energy gap a guarantee of TADF performance in MR-TADF compounds? Impact of the triplet manifold energy splitting

Rasa Keruckiene, Aliaksei A. Vaitusionak, Maksim I. Hulnik, Ivan A. Berezianko, Dalius Gudeika, Simas Macionis, Malek Mahmoudi, Dmytro Volyniuk, Danillo Valverde, Yoann Olivier, Kai Lin Woon, Sergei V. Kostjuk, Sebastian Reineke, Juozas V. Grazulevicius and Gjergji Sini

J. Mater. Chem. C, 2024, 12, 3450
DOI: 10.1039/D3TC04397E

Organic full-color narrowband afterglow

Yincai Xu, Yufeng Xue, Le Mei, Zongliang Xie, Zhu Wu, Zheng Yin, Xian-kai Chen, Yue Wang and Bin Liu

Mater. Horiz., 2025, 12, 8555
DOI: 10.1039/D5MH00980D

Narrowing emission spectra based on indolocarbazole molecular model system: an experimental and theoretical study

Yingbo Lv, Jingzhuo Bi, Runting Wang, Zhiqiang Yang, Xinqi Yang, Shuaiqiang Zhao, Shiyin Wang, Haichao Liu, Shi-Tong Zhang and Bing Yang

Chem. Sci., 2025, 16, 22424
DOI: 10.1039/D5SC06069A

Orthogonal di-spiro skeleton engineering on suppressing π–π stacking and spectral broadening for high-performance narrowband electroluminescence

Hao-Ze Li, Yu-Tao Yang, Yi-Cheng Zhao, Feng-Ming Xie, Jian-Xin Tang and Yan-Qing Li

Mater. Horiz., 2026, 13, 1984
DOI: 10.1039/D5MH01864A

Helically chiral multiresonant thermally activated delayed fluorescent emitters and their use in hyperfluorescent organic light-emitting diodes

Jingxiang Wang, Dongyang Chen, Juan Manuel Moreno-Naranjo, Francesco Zinna, Lucas Frédéric, David B. Cordes, Aidan P. McKay, Matthew J. Fuchter, Xiaohong Zhang and Eli Zysman-Colman

Chem. Sci., 2024, 15, 16917
DOI: 10.1039/D4SC03478C

Syntheses of multi-resonance frameworks towards narrowband organic light-emitting diodes

Tong-Yuan Zhang, Xiao-Chun Fan, Kai Wang and Xiao-Hong Zhang

Chem. Commun., 2024, 60, 14168
DOI: 10.1039/D4CC05040A

Saturated carbazole-embedded BN-aromatic systems as narrowband sky-blue emitters

Mahni Fatahi, Aidan P. McKay, David B. Cordes and Eli Zysman-Colman

J. Mater. Chem. C, 2025, 13, 20549
DOI: 10.1039/D5TC02496J

Organoboron-based multiple-resonance emitters: synthesis, structure–property correlations, and prospects

Masashi Mamada, Masahiro Hayakawa, Junki Ochi and Takuji Hatakeyama

Chem. Soc. Rev., 2024, 53, 1624
DOI: 10.1039/D3CS00837A

Recent progress and prospects of fluorescent materials based on narrow emission

Hao-Ze Li, Feng-Ming Xie, Yan-Qing Li and Jian-Xin Tang

J. Mater. Chem. C, 2023, 11, 6471
DOI: 10.1039/D3TC00676J

Room temperature phosphorescence from a benzothiophene-based N–B–N multi-resonance core

Durai Karthik, Abhishek Kumar Gupta and Eli Zysman-Colman

Mater. Chem. Front., 2026, 10, 947
DOI: 10.1039/D5QM00893J

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

Feng Huang, Xiao‐Chun Fan, Ying‐Chun Cheng, Hao Wu, Xin Xiong, Jia Yu, Kai Wang and Xiao‐Hong Zhang

Angewandte Chemie, 2023, 135
DOI: 10.1002/ange.202306413

Peripheral substitution strategy for narrowband MR-TADF molecules: Achieving high solubility and pure green OLEDs

Peng Xu, Jinyu Song, Tong Li, Jinxin Miao, Zhiyuan Chen, Zhengyi Sun, Xiao-Chun Hang, Senqiang Zhu and Rui Liu

Dyes and Pigments, 2026, 247, 113490
DOI: 10.1016/j.dyepig.2025.113490

Rational Design of a TADF Emitter with Steric Shielding and Multiple Resonance for Narrowband Solution‐Processed OLEDs

Nagaraju Peethani, Na Yeon Kwon, Chang Woo Koh, Su Hong Park, Jung Min Ha, Min Ju Cho, Han Young Woo, Sungnam Park and Dong Hoon Choi

Advanced Optical Materials, 2024, 12
DOI: 10.1002/adom.202301217

The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation

John Marques Dos Santos, David Hall, Biju Basumatary, Megan Bryden, Dongyang Chen, Praveen Choudhary, Thomas Comerford, Ettore Crovini, Andrew Danos, Joydip De, Stefan Diesing, Mahni Fatahi, Máire Griffin, Abhishek Kumar Gupta, Hassan Hafeez, Lea Hämmerling, Emily Hanover, Janine Haug, Tabea Heil, Durai Karthik, Shiv Kumar, Oliver Lee, Haoyang Li, Fabien Lucas, Campbell Frank Ross Mackenzie, Aminata Mariko, Tomas Matulaitis, Francis Millward, Yoann Olivier, Quan Qi, Ifor D. W. Samuel, Nidhi Sharma, Changfeng Si, Leander Spierling, Pagidi Sudhakar, Dianming Sun, Eglė Tankelevičiu̅tė, Michele Duarte Tonet, Jingxiang Wang, Tao Wang, Sen Wu, Yan Xu, Le Zhang and Eli Zysman-Colman

Chem. Rev., 2024, 124, 13736
DOI: 10.1021/acs.chemrev.3c00755

Spiro Units Embedded in the B/N Center for Constructing Highly Efficient Multiple Resonance TADF Emitters

Lin Wu, Chunyu Liu, Denghui Liu, Deli Li, Wei Li, Jiasen Zhang, Xilin Mu, Ziru Xin, Bohong Liu, Hengxuan Qi, Zhiheng Wang, Di Liu, Shi‐Jian Su, Yubo Zhou, Siyao Wu and Ziyi Ge

Angew Chem Int Ed, 2025, 64
DOI: 10.1002/anie.202504723

A Multiresonant Thermally Activated Delayed Fluorescent Dendrimer with Intramolecular Energy Transfer: Application for Efficient Host‐Free Green Solution‐Processed Organic Light‐emitting Diodes

Sen Wu, Dongyang Chen, Xiao‐Hong Zhang, Dianming Sun and Eli Zysman‐Colman

Advanced Materials, 2025, 37
DOI: 10.1002/adma.202415289

Fluorophore‐Bridge‐Fluorophore Architecture for Efficient Narrowband Pure Green Electroluminescence

Xiao‐Sheng Zhong, Jia‐Qi Xi, Jia‐Jun Hu, Li Yuan and You‐Xuan Zheng

Advanced Optical Materials, 2025, 13
DOI: 10.1002/adom.202500395

Novel insights into sensitizer concentration effects in phosphor-sensitized TADF OLEDs: The critical role of multi-resonance-TADF emitters in energy transfer and charge trapping

Jihun Hwang, Dong Gun Lee, Ki Ju Kim, Seung Soo Yoon, Sunwoo Kang and Taekyung Kim

Chemical Engineering Journal, 2025, 520, 165947
DOI: 10.1016/j.cej.2025.165947

Water-Mediated Electronic Modulation in Boron–Nitrogen Multi-resonance Thermally Activated Delayed Fluorescence Emitters

Chen-Yu Lin, Jing-Han Shi, Ya-Chen Lin and Pi-Tai Chou

J. Phys. Chem. Lett., 2026, 17, 3530
DOI: 10.1021/acs.jpclett.6c00346

Sulfide, Sulfoxide, and Sulfone Substitution: Electron Structure Modulation from Para‐D‐π‐B to Para‐A‐π‐B in Multiple‐Resonance Emitters with Narrowband Emission and High Color Purity

Yanru Li, Wansi Li, Jinlian Hu, Xiang Yao, Lei Hua, Wanqing Cai, Shiling Shi, Chan Zhang, Zhongwei Liu, Shihua Li, Xing Chen, Zhe Sun, Zhongjie Ren, Man‐Chung Tang, Guodan Wei and Zhuping Fei

Advanced Optical Materials, 2023, 11
DOI: 10.1002/adom.202300298

Efficient narrowband organic light-emitting devices based on multi-resonance TADF emitters with secondary donor

Xiangan Song, Shaogang Shen, Shengnan Zou, Fengyun Guo, Ying Wang, Shiyong Gao and Yong Zhang

Chemical Engineering Journal, 2023, 467, 143557
DOI: 10.1016/j.cej.2023.143557

High-temperature preparation of a new Mn2+ phosphor in the open air with red emitting properties

Qiu Zong, Dan Zhao, Rui-Juan Zhang, Qing-Xia Yao, Lei Jia and Meng-Han Yu

Journal of Luminescence, 2024, 266, 120298
DOI: 10.1016/j.jlumin.2023.120298

Simple‐Structure and Anti‐Quenching Deep‐Blue Multi‐Resonance TADF Emitters Enable High‐Efficiency OLEDs with BT.2020 Blue Gamut

Mingxin Xing, Guohao Chen, Shuni Wang, Xiaojun Yin, Jiahui Liu, Zhuixing Xue, Nengquan Li, Jingsheng Miao, Zhongyan Huang and Chuluo Yang

Adv Funct Materials, 2025, 35
DOI: 10.1002/adfm.202414635

Multi‐channel charge transfer delayed fluorescence enabling high‐efficiency organic light‐emitting diodes

Guo‐Wei Chen, Zhen Zhang, Xin‐Yi Zeng, Yi‐Hui He, Guo Yuan, Yan‐Qing Li and Jian‐Xin Tang

FlexMat, 2025, 2, 533
DOI: 10.1002/flm2.70022

3D interlocking triggers intramolecular interactions to achieve an efficient deep‐blue multiple resonance thermal activation delayed fluorescence material

Xu‐Feng Luo, Jun‐Yi Wang, Cong Wang, Chao Deng, Xunwen Xiao and You‐Xuan Zheng

FlexMat, 2025, 2, 303
DOI: 10.1002/flm2.70002

Efficient OLEDs with Alleviated Efficiency Roll‐Off Based on MR‐TADF Materials Containing Indolo[3,2,1‐jk]carbazole

Shi‐Quan Song, Ching‐Fai Yip, Qi‐Ming Liu, Xiao‐Sheng Zhong, Yi Wang and You‐Xuan Zheng

Advanced Optical Materials, 2024, 12
DOI: 10.1002/adom.202400200

Recent Advances in Multi-Resonance Thermally Activated Delayed Fluorescence Materials Based on B,N-Heteroarenes

Yi Zhang, Cheng-Zhuo Du, Ji-Kun Li and Xiao-Ye Wang

Chinese Journal of Organic Chemistry, 2023, 43, 1645
DOI: 10.6023/cjoc202212037

Synergistic steric hindrance and multiple resonance effect for efficient TADF with narrowband emission and accelerated upconversion

Xilin Mu, Tong Wang, Deli Li, Denghui Liu, Jiahui Wang, Jiuyan Li, Shijian Su, Wei Li and Ziyi Ge

Chinese Chemical Letters, 2026, 37, 111986
DOI: 10.1016/j.cclet.2025.111986

Advancing Triplet Exciton Harvesting Through Heavy Atom Selenium Manipulation in Multiple Resonance Thermally Activated Delayed Fluorescent Emitters

Zijian Chen, Denghui Liu, Mengke Li, Yihang Jiao, Zhihai Yang, Kunkun Liu and Shi‐Jian Su

Adv Funct Materials, 2024, 34
DOI: 10.1002/adfm.202404278

Multiple Resonance Organoboron OLED Emitters with High Efficiency and High Color Purity via Managing Long‐ and Short‐Range Charge‐Transfer Excitations

Feng Huang, Xiao‐Chun Fan, Ying‐Chun Cheng, Yue Xie, Shulin Luo, Tao Zhang, Hao Wu, Xin Xiong, Jia Yu, Dan‐Dan Zhang, Xian‐Kai Chen, Kai Wang and Xiao‐Hong Zhang

Advanced Optical Materials, 2023, 11
DOI: 10.1002/adom.202202950

Recent Progress of Thermally Activated Delayed Fluorescent Materials with Narrowband Red, Green, and Blue (RGB) Emission

Ping Li, Wenjing Li, Yewen Zhang, Peng Zhang, Xianjie Wang, Chao Yin and Runfeng Chen

ACS Materials Lett., 2024, 6, 1746
DOI: 10.1021/acsmaterialslett.4c00178

Spiro Units Embedded in the B/N Center for Constructing Highly Efficient Multiple Resonance TADF Emitters

Lin Wu, Chunyu Liu, Denghui Liu, Deli Li, Wei Li, Jiasen Zhang, Xilin Mu, Ziru Xin, Bohong Liu, Hengxuan Qi, Zhiheng Wang, Di Liu, Shi‐Jian Su, Yubo Zhou, Siyao Wu and Ziyi Ge

Angewandte Chemie, 2025, 137
DOI: 10.1002/ange.202504723

Bipolar Deep-Blue Host for High-Performance Multicolor OLEDs by Peripheral Auxiliary Group Strategy

Jichen Lv, Jie Li, Shuping Song, Shengnan Wang, Haoyuan Qi, Yumiao Huo, Yuchao Liu, Shian Ying and Shouke Yan

ACS Appl. Opt. Mater., 2023, 1, 1963
DOI: 10.1021/acsaom.3c00314

Synthesis and Theoretical and Photophysical Study on a Series of Neutral Ruthenium(II) Complexes with Donor–Metal–Accepter Configuration

Xianju Yan, Jianan Xue and Yue Wang

Inorg. Chem., 2023, 62, 1476
DOI: 10.1021/acs.inorgchem.2c03602

Hybrid charge-transfer strategy enables MR-TADF emitters for deep-blue, high-efficiency OLEDs

Shan Huang, Yu Yan, Hongbo Shao, Hanrui Su, Yongxing Tian, Haotian Yue, Qiang Zhang, Runda Guo and Lei Wang

Dyes and Pigments, 2026, 247, 113504
DOI: 10.1016/j.dyepig.2025.113504

High-efficiency sky-blue multi-resonance thermally activated delayed fluorescence through fine-tuning of twisted configurations

Zixuan Wei, Xinyu Li, Tao Liu, Huixia Xu, Yanqin Miao, Hua Wang and Junsheng Yu

Chemical Engineering Journal, 2026, 530, 173264
DOI: 10.1016/j.cej.2026.173264

Regional Functionalization Molecular Design Strategy: A Key to Enhancing the Efficiency of Multi‐Resonance OLEDs

Lin Wu, Xilin Mu, Denghui Liu, Wei Li, Deli Li, Jiashen Zhang, Chunyu Liu, Tingting Feng, Yujie Wu, Jiuyan Li, Shi‐Jian Su and Ziyi Ge

Angewandte Chemie, 2024, 136
DOI: 10.1002/ange.202409580

Modified medium-ring strategy enables multiple resonance emitters with enhanced spin-flip and color purity

Jian Wu, Ge Gao, Junjie Liu and Zhengyang Bin

Sci. China Chem., 2025, 68, 6431
DOI: 10.1007/s11426-025-2753-y

Regional Functionalization Molecular Design Strategy: A Key to Enhancing the Efficiency of Multi‐Resonance OLEDs

Lin Wu, Xilin Mu, Denghui Liu, Wei Li, Deli Li, Jiashen Zhang, Chunyu Liu, Tingting Feng, Yujie Wu, Jiuyan Li, Shi‐Jian Su and Ziyi Ge

Angew Chem Int Ed, 2024, 63
DOI: 10.1002/anie.202409580

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

Feng Huang, Xiao‐Chun Fan, Ying‐Chun Cheng, Hao Wu, Xin Xiong, Jia Yu, Kai Wang and Xiao‐Hong Zhang

Angew Chem Int Ed, 2023, 62
DOI: 10.1002/anie.202306413

Circularly polarized thermally activated delayed fluorescence OLEDs with nearly BT.2020 red emission

Bangjin Sun, Lei Ding, Xinzhong Wang, Zhen-Long Tu and Jian Fan

Chemical Engineering Journal, 2023, 476, 146511
DOI: 10.1016/j.cej.2023.146511