Citation: Xu-Feng Luo, Jie He, Yang Wang, Dai Hong, Zheng-Guang Wu. Research Advances in Helicene Structure-Based Chiral Luminescent Materials and Their Circularly Polarized Electroluminescence[J]. Chinese Journal of Structural Chemistry, ;2022, 41(12): 2212070-2212079. doi: 10.14102/j.cnki.0254-5861.2022-0196 shu

Research Advances in Helicene Structure-Based Chiral Luminescent Materials and Their Circularly Polarized Electroluminescence






  • Author Bio: Xu-Feng Luo received his Ph.D. degree in 2022 at Nanjing University under the supervisor of Professor You-Xuan Zheng from 2017 to 2022. Now he joined the Ningbo University of Technology. His research focuses on MR-TADF materials, phosphorescence metal complexes and CPL materials and their applications in optoelectronic device
    Jie He received his B.S. degree at the Nantong University in 2019. He is currently an M.S. candidate in the School of Chemistry and Chemical Engineering, Nantong University, supervised by Prof
    Yang Wang obtained his B.S. and M.S. degree in chemistry from Jiangsu Normal University under the supervisor of Prof. Feng Shi in 2016. Then, he joined professor Wen-Hua Zheng's group and received his Ph.D. from Nanjing University in 2019. He is currently a lecturer at the School of Chemistry and Chemical Engineering, Nantong University, where his research focuses on the construction of chiral nitrogen heterocycles via asymmetric oxidative strategies
    Hong Dai received his PhD degree from Nankai University under the supervision of Prof. Jianxin Fang in 2009. He joined Nantong University in 2009, and was promoted as Professor in 2018. Currently, his research is focused on the design and synthesis of chiral heterocycles for pesticide molecules and photoelectric materials
    Zheng-Guang Wu, Professor, received his Ph.D. degree in Organic Chemistry in 2017 at Nanjing University under the supervisor of Prof. Yi Pan and You-Xuan Zheng. From 2017 to 2019, he worked as a postdoctoral fellow in State Key Laboratory of Coordination Chemistry in Nanjing University. He joined Nantong University in 2020 and his research interest focuses on the design and synthesis of inorganic and organic functional materials, chiral luminescent materials and their applications in optoelectronic device
  • # These authors contribute equally to this work.
  • Received Date: 14 September 2022
    Accepted Date: 4 October 2022
    Available Online: 12 October 2022

Figures(15)

  • Benefited from direct generation of circularly polarized (CP) emission with tunable colors, high efficiencies and facile device architectures, CP organic light-emitting diodes (CP-OLEDs) have attracted great attention and are expected to meet industrial applications. Particularly, CP electroluminescence (CPEL) originated from CP-OLEDs has wide potential applications in 3D displays, optical information storage, quantum communication, and biological sensors. The diverse design strategies of chiral luminescent materials for CP-OLEDs, including small organic emitters, lanthanide and transition-metal complexes and conjugated polymers, have been extensively explored. Helicene with twisted extended π-conjugated molecular structure could exhibit special helical chirality and excellent circularly polarized luminescence properties, which has been employed as the ingenious chirality core for constructing efficient chiral luminescent materials. In addition, significant improvements have been made in terms of CP photoluminescence research, however, the development of CPEL with more application prospects in optoelectronic technology still lags behind. In this review, we systematically summarize the recent advances in chiral luminescent materials based on helicene structure and their CPEL properties, including helicene-based chiral fluorescence molecules, transition metal complexes and thermally activated delayed fluorescence molecules, and discuss current challenges and future perspectives for this hot research field. We believe this progress report will provide a promising perspective of OLEDs based on helicene emitters with CPEL properties for extensive researchers, including chemical, physical and material scientists in different disciplinary fields and attract them to this rapidly developing field.
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