Recent advances in organic thermally activated delayed fluorescence materials

Organic materials that exhibit thermally activated delayed fluorescence (TADF) are an attractive class of functional materials that have witnessed a booming development in recent years. Since Adachi et al. reported high-performance TADF-OLED devices in 2012, there have been many reports regarding th...

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Published inChemical Society reviews Vol. 46; no. 3; pp. 915 - 116
Main Authors Yang, Zhiyong, Mao, Zhu, Xie, Zongliang, Zhang, Yi, Liu, Siwei, Zhao, Juan, Xu, Jiarui, Chi, Zhenguo, Aldred, Matthew P
Format Journal Article
LanguageEnglish
Published England 06.02.2017
Subjects
chemical structure
Design engineering
Devices
electrochemiluminescence
Fluorescence
Molecular structure
Organic materials
phosphorescence
Scientists
Synthesis (chemistry)
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Summary:Organic materials that exhibit thermally activated delayed fluorescence (TADF) are an attractive class of functional materials that have witnessed a booming development in recent years. Since Adachi et al. reported high-performance TADF-OLED devices in 2012, there have been many reports regarding the design and synthesis of new TADF luminogens, which have various molecular structures and are used for different applications. In this review, we summarize and discuss 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. We hope that such a review provides a clear outlook of these novel functional materials for a broad range of scientists within different disciplinary areas and attracts more researchers to devote themselves to this interesting research field. Thermally activated delayed fluorescence: harvesting dark triplet excitons to generate bright emissive singlet excitons.
Bibliography:Jiarui Xu graduated from Sun Yat-sen University in 1982 and received his PhD from City University of New York in 1987. He conducted his postdoctoral work at North Carolina State University during 1987-1989 and returned to SYSU in 1989. He was promoted to Professor in 1992. He received the National Science Fund for Distinguished Young Scholars from the National Natural Science Foundation of China in 1996. His research interests are polymer crystallization mechanism and crystalline structures, polymeric liquid crystals, polymer modification, multicomponent polymers, and new compounds with unique properties.
Matthew P. Aldred was born in Bolton, UK in 1978. He obtained his BSc (1999) and PhD (2003) degrees from the University of Hull. During his PhD he worked on liquid crystal synthesis in the George Gray Laboratories, under the supervision of Prof. Stephen Kelly, for OLED applications. After two years working at Hull University for ZLX Ltd as a research chemist, he had numerous academic and industrial research positions, including at Changchun Institute of Applied Chemistry (China), TexChem Polymers (Malaysia) and Wuhan National Laboratory for Optoelectronics (China). Aldred is the co-author of around 50 research papers and numerous patents. He now resides in the UK and his research interests include organic synthesis, reactive mesogens, piezochromism, aggregation-induced emission and photochromism.
Zhenguo Chi received his BS degree in Chemistry (1991) from Hangzhou University (China) and his MS in chemistry and physics of polymer (1994) from Changchun Institute of Applied Chemistry, the Chinese Science Academy. He obtained a PhD in 2003 from Sun Yat-sen University (China). In 2003-2006, he carried out his postdoctoral work in Fudan University (China) and Korea University (South Korea). In 2015-2016, he was an academic visitor at Durham University (UK). He is currently a full professor of physics and chemistry of materials at SYSU. His research is mainly on the development of organic/polymeric photoelectric materials and devices.
Juan Zhao received her BS degree in Information Display and Optoelectronic Technology from University of Electronic Science and Technology of China (UESTC) in 2009 and received her PhD in optical engineering from UESTC in 2015. She conducted her PhD work as a joint PhD student at University of Wisconsin-Madison (USA) during 2013 to 2015, which was sponsored by China Scholarship Council. She joined Sun Yat-sen University in 2016, and she is currently an associate professor of School of Chemistry. Her research is mainly on the development of organic optoelectronic materials and devices.
Zhiyong Yang received his BS degree in 2005 and PhD in 2010 from Sun Yat-sen University (SYSU, China). During 2010-2012, he carried out his postdoctoral work in the Hong Kong University of Science and Technology (Hong Kong, China). In 2013, he did another postdoctoral work in University of Washington (USA). He is currently an associate professor in SYSU. He focuses on the development of organic/polymeric photoelectric materials with unique properties, such as aggregation induced emission, thermally activated delayed fluorescence and persistent room-temperature phosphorescence.
Yi Zhang received her BS degree in Chemistry, with distinction, from Sun Yat-sen University (SYSU, China) in 1997, and her PhD in Chemistry and Physics of Polymer from SYSU in 2002. Then she joined the faculty at SYSU in 2002 as an Assistant Professor and is currently a full professor of Chemistry in SYSU. In 2009-2010, she carried out one year research work in the University of Illinois at Urbana-Champaign as a visiting scholar. Her research is mainly on the development of organic/polymeric photoelectric materials and high-performance functional polyimide.
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ISSN:0306-0012
1460-4744
1460-4744
DOI:10.1039/c6cs00368k