Responsive circularly polarized ultralong room temperature phosphorescence materials with easy-to-scale and chiral-sensing performance

Jingxuan You, Chunchun Yin, Sihuan Wang, Xi Wang, Kunfeng Jin, Yirong Wang, Jinfeng Wang, Lei Liu, Jun Zhang and Jinming Zhang ()
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Jingxuan You: Chinese Academy of Sciences (CAS)
Chunchun Yin: Chinese Academy of Sciences (CAS)
Sihuan Wang: Wuhan Textile University
Xi Wang: Chinese Academy of Sciences (CAS)
Kunfeng Jin: Chinese Academy of Sciences (CAS)
Yirong Wang: Chinese Academy of Sciences (CAS)
Jinfeng Wang: Wuhan Textile University
Lei Liu: Wuhan Textile University
Jun Zhang: Chinese Academy of Sciences (CAS)
Jinming Zhang: Chinese Academy of Sciences (CAS)

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Circularly polarized room temperature phosphorescence materials represent a state-of-the-art frontier of optical materials and exhibit promising applications in various fields. Herein, we fabricate a series of full-color circularly polarized room temperature phosphorescence materials, based on anionic cellulose derivatives and achiral luminophores. The ionic achiral substituents promote the spontaneous formation of chiral helical structure of cellulose derivatives via the electrostatic repulsion effect. There are multiple interactions between anionic cellulose derivatives and the doped luminophores, thus the chirality is transferred to luminophores and the non-radiative transition is inhibited. The resultant materials can be easily processed into large-scale film and flexible 3D objects with repeatable folding and curling properties. In addition, their phosphorescence performance shows to be excitation-dependence, time-dependence, visible-light excitation, and multi-responsiveness to humidity, temperature as well as pH value. Importantly, they recognize many enantiomers in an instrument-free visual mode, including amino acids, hydroxyl acids, organic phosphate and hydrobenzoin. These results provide insights into design of advanced optical materials which can be applied in multilevel information handling and chiral sensing.

Date: 2024
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DOI: 10.1038/s41467-024-51203-1

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