Composition-dependent Emission in Bifuran-based Polyester Films Doped with Aggregation-induced Emission Luminogen for Information Storage and Encryption

Wen-Ting Li; Wei Wang; Jie Chen; Guang-Jian Liao; Yuan Qiu; Hong Wang; Guo-Chuan Yin; Yong-Gui Liao; Xiao-Lin Xie

doi:10.1007/s10118-026-3595-8

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Composition-dependent Emission in Bifuran-based Polyester Films Doped with Aggregation-induced Emission Luminogen for Information Storage and Encryption

RESEARCH ARTICLE | Updated：2026-04-30

- Composition-dependent Emission in Bifuran-based Polyester Films Doped with Aggregation-induced Emission Luminogen for Information Storage and Encryption
- Chinese Journal of Polymer Science Vol. 44, Issue 5, Pages: 1465-1474(2026)
- Affiliations：
  
  a.Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Materials Chemistry and Service Failure, National Anti-counterfeit Engineering Research Center, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  b.School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
- Author bio：
  
  wukong.s@163.com (Y.Q.)
  ygliao@mail.hust.edu.cn (Y.G.L.)
- Funds：
- DOI：10.1007/s10118-026-3595-8
  CLC：
- Received：17 November 2025，
  
  Revised：2025-12-31，
  
  Accepted：27 January 2026，
  
  Online First：25 March 2026，
  
  Published：05 May 2026
- Accepted：
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Li, W. T.; Wang, W.; Chen, J.; Liao, G. J.; Qiu, Y.; Wang, H.; Yin, G. C.; Liao, Y. G.; Xie, X. L. Composition-dependent emission in bifuran-based polyester films doped with aggregation-induced emission luminogen for information storage and encryption. Chinese J. Polym. Sci. 2026, 44, 1465–1474

Wen-Ting Li, Wei Wang, Jie Chen, et al. Composition-dependent Emission in Bifuran-based Polyester Films Doped with Aggregation-induced Emission Luminogen for Information Storage and Encryption[J]. Chinese Journal of Polymer Science, 2026, 44(5): 1465-1474.
Li, W. T.; Wang, W.; Chen, J.; Liao, G. J.; Qiu, Y.; Wang, H.; Yin, G. C.; Liao, Y. G.; Xie, X. L. Composition-dependent emission in bifuran-based polyester films doped with aggregation-induced emission luminogen for information storage and encryption. Chinese J. Polym. Sci. 2026, 44, 1465–1474 DOI： 10.1007/s10118-026-3595-8.

Wen-Ting Li, Wei Wang, Jie Chen, et al. Composition-dependent Emission in Bifuran-based Polyester Films Doped with Aggregation-induced Emission Luminogen for Information Storage and Encryption[J]. Chinese Journal of Polymer Science, 2026, 44(5): 1465-1474. DOI： 10.1007/s10118-026-3595-8.

摘要

A facile strategy is fabricated for multicolor luminescent films from blue to red by doping an intramolecular charge transfer (ICT)-active aggregation-induced emission luminogen (AIEgen) into a polar bifuran-based polyester.

Abstract

Multicolor luminescent materials have attracted considerable attention for their applications in information storage

encryption

and flexible displays. However

these materials often suffer from cumbersome synthesis and poor film-form ability. Herein

we report a facile strategy to fabricate multicolor luminescent films by doping an intramolecular charge transfer (ICT)-active aggregation-induced emission luminogen (AIEgen) into highly polar bifuran-based polyester. In combination with the ICT effect of the AIEgen

the distinct energy transfer efficiency between the polyester and the AIEgen achieves the wide-range emission color change from blue to red in the doped films. Furthermore

the AIEgen exhibits reversible pH-responsiveness and irreversible photocyclization under 365 nm UV light. Accordingly

a nine-grid and “dragon/QR code” patterns are designed using these doped films

demonstrating their potential in advanced information encryption and storage. This work not only provides a new perspective on the fabrication of multicolor luminescent materials

but also paves the way in information storage

data encryption

and other advanced technologies.

关键词

Keywords

references

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