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Fluorescent Self-Healing Elastomers with Triple Dynamic Bonds for 2D/3D Printed Information Encryption.
Dai Yang1, Qingyong Tian1, Jingyang Li1
1School of Materials Science and Engineering Henan Institute of Advanced Technology Zhengzhou University Zhengzhou 450001 P. R. China.
Small Science
|September 8, 2025
Summary
Researchers developed a novel fluorescent self-healing material for anticounterfeiting and information encryption. This printable elastomer offers excellent mechanical strength and 97% self-healing efficiency, enabling advanced security applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Optoelectronics
Background:
- Optical self-healing materials are crucial for anticounterfeiting and information encryption.
- Developing such materials with robust properties remains a significant challenge.
Purpose of the Study:
- To present a novel fluorescent self-healing material for 2D/3D printing applications.
- To demonstrate its utility in anticounterfeiting and information encryption.
Main Methods:
- Synthesized a polymer with triple dynamic bond networks for mechanical and self-healing properties.
- Incorporated core-shell nanoparticles to create a fluorescent elastomer.
- Utilized 2D/3D printing for material customization.
Main Results:
- The material exhibits high transmittance, excellent mechanical strength (26.9 MPa tensile strength, 1400% elongation), and high toughness (149.4 MJ m⁻³).
- Achieved a remarkable self-healing efficiency of 97%.
- The fluorescent elastomer displays triple-mode up/down conversion fluorescence emission.
Conclusions:
- The developed material offers a promising platform for advanced anticounterfeiting and information encryption.
- Its printable nature and self-healing capabilities allow for versatile customization and multi-information encryption.
- This work provides an effective protocol for synthesizing advanced fluorescent self-healing materials.
