An unexpected dual-emissive luminogen with tunable aggregation-induced emission and enhanced chiroptical property

Xinyu Zhang, Huiqing Liu, Guilin Zhuang, Shangfeng Yang () and Pingwu Du ()
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Xinyu Zhang: University of Science and Technology of China
Huiqing Liu: University of Science and Technology of China
Guilin Zhuang: Zhejiang University of Technology
Shangfeng Yang: University of Science and Technology of China
Pingwu Du: University of Science and Technology of China

Nature Communications, 2022, vol. 13, issue 1, 1-10

Abstract: Abstract In the literature, organic materials with both aggregation-induced emission (AIE) and aggregation-caused quenching (ACQ) effects that can emit with multiple bands both in the solution and aggregated state are rarely reported. Herein we report a novel chiral dual-emissive bismacrocycle with tunable aggregation-induced emission colors. A facile four-step synthesis strategy is developed to construct this rigid bismacrocycle, (1,4)[8]cycloparaphenylenophane (SCPP[8]), which possesses a 1,2,4,5-tetraphenylbenzene core locked by two intersecting polyphenylene-based macrocycles. The luminescent behavior of SCPP[8] shows the unique characteristics of both ACQ effect and AIE effect, inducing remarkable redshift emission with near white-light emission. SCPP[8] is configurationally stable and possesses a novel shape-persistent bismacrocycle scaffold with a high strain energy. In addition, SCPP[8] displays enhanced circularly polarized luminescence properties due to AIE effect.

Date: 2022
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DOI: 10.1038/s41467-022-31281-9

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