Advanced Bilayer Hydrogel for Information Storage and Encryption
Introduction
Global informatization impacts national security and social stability.
Traditional storage methods face challenges in sensing and dynamic data recording.
Hydrogels with photoresponsive properties provide innovative solutions.
Hydrogel Design and Properties
Developed a bilayer hydrogel with Mo-PACDN and MWCNT-PACDN layers.
Mo ions grant UV-responsive information storage capability.
MWCNT improves mechanical properties and serves as a black background for encryption.
Methodology
Describes synthesis of acylation-modified β-cyclodextrin (ACD) and hydrogels.
Methods for hydrogel preparation and characterizations such as FTIR, TG, and DSC.
Explains self-healing, swelling behaviors, and rheological properties.
Information Storage and Decryption
The hydrogels store information via UV light and can be decrypted by temperature changes.
Demonstrates repeatable information storage across various environments.
Conclusion
The bilayer hydrogel offers promising stability, self-healing, and encryption capabilities.
This work lays groundwork for future applications in advanced information storage materials.
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