用于多模信息加密的可逆循环极化发光反转和发射色彩切换的光学调制超分子聚合物
Kuo Fu1, Da-Hui Qu2, Guofeng Liu1
1Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Advanced Research Institute, Tongji University, Shanghai 200092, P. R. China.
Journal of the American Chemical Society
|November 28, 2024
概括
研究人员创造了一种新材料, 当暴露在不同的光线下时, 它的发光颜色和手性会改变. 这种动态控制为安全的多模式信息加密提供了先进的可能性.
科学领域:
- 超分子化学
- 材料科学
- 有机电子
背景情况:
- 开发用于信息加密的先进材料至关重要.
- 控制循环极化发光 (CPL) 的特性仍然是一个挑战.
研究的目的:
- 为动态CPL和颜色调制设计一个pyridinethiazole-acrylonitrile-cholesterol衍生物 (Z-PTC).
- 探索其在多模式信息加密方面的潜力.
主要方法:
- 合成Z-PTC及其Ag+超分子聚合物 (SP1).
- 在不同光波长 (454 nm, 365 nm) 下研究光异构和光循环.
- 分析了形态变化 (纳米管,纳米球,聚合物) 和CPL特性.
主要成果:
- Z-PTC Ag超分子聚合物 (SP1) 形成了具有阳性黄色绿色CPL的纳米管.
- 光辐射诱导可逆的手性反转和颜色变化 (黄色,蓝色).
- 在半固体状态下对CPL和形态表现出动态控制.
结论:
- 开发的Z-PTC系统具有动态,可逆的CPL手性反转和多色发射.
- 这些特性适用于开发安全的多式联络信息加密技术.
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