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通过三维印刷液晶弹性体的光驱分子电机进行光感仿真功能

Guiying Long^1,2, Yanping Deng¹, Wei Zhao³

¹SCNU-UG International Joint Laboratory of Molecular Science and Displays, National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China.

Journal of the American Chemical Society

|May 10, 2024

概括

研究人员使用3D打印和光驱分子电机开发了光响应液晶弹性体 (LCE). 这些材料表现出复杂的仿生运动,将纳米级电机旋转放大为宏观功能.

科学领域:

材料科学
纳米技术
软机器人

背景情况:

人工分子机器提供纳米规模的运动,但难以实现宏观放大.
在有序的环境中组织分子机器是克服运动放大挑战的关键.
液晶提供了适合放大运动的远程顺序和层次结构.

研究的目的:

设计和合成具有放大宏观运动的光响应液晶弹性体 (LCE).
将光驱动的分子电机集成到液晶主链中进行光驱动.
使用3D打印来创建具有复杂执行功能的多种形态的LCE.

主要方法:

嵌入单向光驱分子电机到液晶寡合体主链中.
使用这些功能化的寡合体作为3D打印各种液晶弹性体形态的油墨.
在紫外线照明下研究印制LCE的光响应行为和运动能力.

主要成果:

成功创建了具有光响应仿生功能的3D打印LCE.
展示了多种宏观运动,包括曲,螺旋绕,花关闭和翼翻转.
展示了单向分子运动旋转的扩大,

结论:

集成到LCE中的光驱分子电机可以有效地将纳米级运动放大到宏观尺度.
通过3D打印,可以制造出适合各种驱动功能的LCE.
这种方法为开发具有复杂仿生能力的先进响应材料提供了有前途的途径.

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