Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing

Kunfeng Jin; Chunchun Yin; Jingxuan You; Huailing Diao; Jinfeng Wang; Kunkun Zhu; Jun Zhang; Jinming Zhang

doi:10.59717/j.xinn-mater.2024.100096

The Innovation Materials > 2024 Vol. 2 > No. 4 > 100096

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Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing

1.
CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
2.
National Local Joint Laboratory for Advanced Textile Processing and Clean Production, Wuhan Textile University, Wuhan 430200, China

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Corresponding author: zhjm@iccas.ac.cn
Received Date: May 27, 2024

Accepted Date: September 25, 2024

Published Online: October 16, 2024

The Innovation Materials 2(4), https://doi.org/10.59717/j.xinn-mater.2024.100096 | Cite this article

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PUBLIC SUMMARY

PUBLIC SUMMARY
1. To amplify chirality by the reconstruction of hydrogen-bonding interactions in cellulose.
  
  A scale-up process to produce circularly polarized room-temperature phosphorescent (CP-RTP) materials.
  
  The gabs and glum of CP-RTP materials were as high as 0.48 and 0.16, respectively.
  
  CP-RTP materials showed a visual recognition performance to many enantiomers.

ABSTRACT

ABSTRACT

Circularly polarized luminescence (CPL) materials have attracted great attention because of their rich optical information and excellent sensitivity. However, the strategy to prepare CPL materials with a high dissymmetry factor (g) is still limited. Herein, we demonstrate a facile route to scale up the fabrication of circularly polarized organic room-temperature phosphorescent (CP-RTP) materials with a high g value, outstanding flexibility and complete biodegradability, via the reconstruction and enhancement of hydrogen-bonding interactions of cellulose. The absorption dissymmetry factor (g_abs) and luminescence dissymmetry factor (g_lum) of the CP-RTP materials are as high as 0.48 and 0.16, respectively, which are one or two orders of magnitude larger than previous records. These cellulose-based CP-RTP materials have full-color emission, and can be processed into different format. In particular, the CP-RTP materials exhibit chiral recognition performance in an instrument-free visual mode. They give a change of RTP performance once meeting different enantiomers, including lysine, histidine, cysteine, 2-chloromandelic acid, and 1-(2-naphthyl) ethanol. The novel strategy and new CP-RTP materials could promote the enrichment and practical applications of CPL materials.
- Circularly polarized luminescence /
- Room-temperature phosphorescence /
- Chirality /
- Cellulose /
- Visual recognition

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REFERENCES

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Jin K., Yin C., You J., et al., (2024). Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing. The Innovation Materials 2(4): 100096. https://doi.org/10.59717/j.xinn-mater.2024.100096

Jin K., Yin C., You J., et al., (2024). Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing. The Innovation Materials 2(4): 100096. https://doi.org/10.59717/j.xinn-mater.2024.100096

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Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing

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Large-scale and flexible circularly polarized room temperature phosphorescence with a high dissymmetry factor and chiral sensing

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