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液晶弹性体的相位模式由激光诱导的动态交叉连接

Seok Hwan Choi¹, Ju Hee Kim², Jiyong Ahn¹

¹Department of Mechanical Engineering, Seoul National University, Seoul, Republic of Korea.

Nature materials

|March 27, 2024

概括

研究人员为适应性液晶弹性体开发了激光诱导的动态交联. 这种方法可以实现精确,可重新配置的模式和功能,如可穿戴设备的临时信息加密.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
光电学是指光电子产品.

背景情况:

液晶弹性体 (LCE) 呈现可逆的机械和光学性质过渡.
目前的局限性包括缺乏局部阶段模式和不可逆转的阶段编程.
这些局限性阻碍了LCE的广泛实施.

研究的目的:

在LCE中引入一种用于高分辨率模式和相控的新技术.
为了实现具有可重新配置阶段和复杂模式的适应性LCE.
扩大LCE的功能,用于信息加密等应用.

主要方法:

激光诱导的动态交叉连接使用硫化基.
高分辨率的多层图案和传导度调制.
在单个LCE膜中生成热和应变反应模式.

主要成果:

在LCE中实现了精确的,多层次的模式和传导度调制.
证明了可重新配置的适应性LCE,具有所需的阶段和复杂的模式.
在体温下成功实现临时信息加密.

结论:

激光诱导的动态交联克服了LCE模式和编程方面的局限性.
适应式LCE为高级应用提供了增强的功能.
这种技术扩大了LCE在可穿戴技术和信息存储中的实用性.

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