对可切换模式依赖的防伪标签的响应性纯MOF微球的协调缺陷驱动的构建
Xinming Liu1, Xue Yang1, Shengchang Xiang1
1Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China.
ACS applied materials & interfaces
|December 24, 2024
概括
研究人员开发了无形金属有机框架 (MOF) 微球,具有可切换的低声画廊模式 (WGM) 信号,用于先进的信息安全. 这种新的平台通过响应式光子条形码提供了增强的防伪功能.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 光学是什么?光学是什么?光学是什么?
背景情况:
- 发光金属有机框架 (MOF) 显示了信息安全的希望,但由于光谱重叠而遭受低分辨率识别的困扰.
- 现有的基于MOF的安全系统需要提高信号辨别能力和编码能力.
研究的目的:
- 开发一种基于MOF的新型安全平台,利用可切换的低声画廊模式 (WGM) 信号来加强防伪.
- 创建无形MOF微球,能够产生模式依赖的光子条形码.
主要方法:
- 合成无形MOF微球,使用协调缺陷驱动的生长策略.
- 研究了微球的低语画廊模式 (WGM) 共振和尺寸依赖特征.
- 由可逆框架收缩引起的光学模式切换行为.
主要成果:
- 无形MOF微球表现出明确的圆形形态和典型的WGM共振.
- 成功创建了具有相当大的编码能力的尺寸依赖光子条形码.
- 为隐藏的光子条形码实现了光学模式切换,增强了信息安全.
结论:
- 协调缺陷诱导的无形MOF微球提供了一个新的模式依赖的安全平台.
- 可切换的WGM信号和光子条形码为信息加密和防伪提供了强大的策略.
- 与传统的宽带频谱信号相比,这种方法显著提高了安全水平.
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