Helical-caging enables single-emitted large asymmetric full-color circularly polarized luminescence

Yajie Zhou, Yaxin Wang, Yonghui Song, Shanshan Zhao, Mingjiang Zhang, Guangen Li, Qi Guo, Zhi Tong, Zeyi Li, Shan Jin, Hong-Bin Yao, Manzhou Zhu and Taotao Zhuang ()
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Yajie Zhou: University of Science and Technology of China
Yaxin Wang: University of Science and Technology of China
Yonghui Song: University of Science and Technology of China
Shanshan Zhao: University of Science and Technology of China
Mingjiang Zhang: University of Science and Technology of China
Guangen Li: University of Science and Technology of China
Qi Guo: University of Science and Technology of China
Zhi Tong: University of Science and Technology of China
Zeyi Li: University of Science and Technology of China
Shan Jin: Anhui University
Hong-Bin Yao: University of Science and Technology of China
Manzhou Zhu: Anhui University
Taotao Zhuang: University of Science and Technology of China

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract Colorful circularly polarized luminescence materials are desired for 3D displays, information security and asymmetric synthesis, in which single-emitted materials are ideal owing to self-absorption avoidance, evenly entire-visible-spectrum-covered photon emission and facile device fabrication. However, restricted by the synthesis of chiral broad-luminescent emitters, the realization and application of high-performing single-emitted full-color circularly polarized luminescence is in its infancy. Here, we disclose a single-emitted full-color circularly polarized luminescence system (spiral full-color emission generator), composed of whole-vis-spectrum emissive quantum dots and chiral liquid crystals. The system achieves a maximum luminescence dissymmetry factor of 0.8 and remains an order of 10−1 in visible region by tuning its photonic bandgap. We then expand it to a series of desired customized-color circularly polarized luminescence, build chiral devices and further demonstrate the working scenario in the photoinduced enantioselective polymerization. This work contributes to the design and synthesis of efficient chiroptical materials, device fabrication and photoinduced asymmetric synthesis.

Date: 2024
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DOI: 10.1038/s41467-023-44643-8

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