生物灵感的热适应形状记忆聚合物,具有可重写的2D/3D编码信息载体的光诱导可逆光
Jinhui Huang1,2, Yue Jiang1,2, Qiuyu Chen1,2
1Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, 610031, Chengdu, China.
Nature communications
|November 6, 2023
概括
研究人员开发了一种新的热适应形状记忆光膜 (TSFF),用于先进的信息加密. 这种智能材料集成了可重写的2D和3D编码,通过顺序加热和紫外线暴露来提高解码的安全性.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
- 信息安全 信息安全
背景情况:
- 光材料为信息加密提供刺激响应的颜色转移.
- 现有的二维光编码方法面临信息泄露的风险.
- 模仿章鱼的伪装激发了对集成的2D/3D信息编码的新方法.
研究的目的:
- 开发一种热适应形状记忆光膜 (TSFF),用于集成的2D/3D信息编码.
- 通过结合可重写的2D和3D数据存储来增强信息安全.
- 为高安全性信息载体创建智能材料系统.
主要方法:
- 使用具有可逆光交叉连接的 antracen 组和具有热适应形状记忆性质的聚乙烯-联合乙酸网络制造 TSFF.
- 使用可逆光交叉连接来实现可重复的光转移和可重写的2D编码.
- 使用热适应形状记忆特性进行可重新配置的3D图案创建和删除,使得3D信息可重写.
主要成果:
- 该TSFF通过可逆光交叉连接展示了可重复的光转移,使可重写的2D编码成为可能.
- 该材料表现出热适应形状记忆特性,允许创建和删除3D图案以获得可重写3D信息.
- 顺序应用加热以恢复形状和紫外线暴露,可以安全解码集成的2D/3D信息.
结论:
- 开发的TSFF为可重写的2D/3D编码提供了一种新的策略,大大提高了信息安全.
- 这种综合方法克服了传统的二维光编码的局限性,通过增加基于形状的信息存储的维度.
- 对于未来的先进,高安全信息载体设计,TSFF材料系统具有前景.
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