格子转换诱导的反射结构颜色
Boru Wei1, Zekun Zhang1, Dongpeng Yang1
1School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China.
ACS applied materials & interfaces
|September 28, 2023
概括
研究人员使用3D光子晶体开发了新型应变响应反射结构颜色. 这些颜色具有与应变和旋转的独特开/关行为,可用于视觉应变传感和防伪.
科学领域:
- 材料科学 材料科学 材料科学
- 光学是什么?光学是什么?光学是什么?
- 纳米技术纳米技术
背景情况:
- 反射性结构色彩通常依赖于干扰,总内部反射或从二维体阵列中衍射.
- 现有的实现结构色彩的方法在动态响应和可调性方面存在局限性.
研究的目的:
- 开发一种用于产生具有动态应变响应的反射结构颜色的新方法.
- 探索超越传统方法的结构色调调节的新机制.
主要方法:
- 制造3D光子晶体与非紧密包装的远程订单.
- 通过机械拉伸诱导六角平行四边形格子转换.
- 在变化的应变和旋转下,光学特性和颜色切换行为的表征.
主要成果:
- 通过拉伸3D光子晶体,实现了新的反射结构颜色.
- 展示了两种独特的开/关色开关:应变依赖和视角依赖.
- 颜色显示出对机械变形的明显反应.
结论:
- 这项研究引入了一种基于3D光子晶体中的晶格转换的新型结构色调调节机制.
- 这些应变响应的颜色对视觉应变传感 (例如,动态磁带) 和防伪的应用有希望.
- 这些发现为显示器和传感器中的先进光学材料开辟了新的途径.
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