材料科学
结构着色
弹性体
可伸缩电子设备
复合材料
基质(水族馆)
光电子学
拉伤
剪切(地质)
纳米技术
光子晶体
医学
化学
海洋学
物理化学
数码产品
内科学
地质学
作者
Ying‐Jun Quan,Young‐Gyun Kim,Min‐Soo Kim,Soo‐Hong Min,Sung‐Hoon Ahn
出处
期刊:ACS Nano
[American Chemical Society]
日期:2020-04-10
卷期号:14 (5): 5392-5399
被引量:91
标识
DOI:10.1021/acsnano.9b08953
摘要
Structural colors that can be changed dynamically, using either plasmonic nanostructures or photonic crystals, are rapidly emerging research areas for stretchable sensors. Despite the wide applications of various techniques to achieve strain-responsive structural colors, important factors in the feasibility of strain sensors-such as their sensing mechanism, stability, and reproducibility-have not yet been explored. Here, we introduce a stretchable, diffractive, color-based wireless strain sensor that can measure strain using the entire visible spectrum, based on an array of cone-shaped nanostructures on the surface of an elastomeric substrate. By stretching or compressing the substrate, the diffractive color can be tuned according to the changing grating pitch. Using the proposed method, we designed three types of strain-sensing modes: large-deformation (maximum 100%) tensile strain, biaxial 2D strain, and shear strain (maximum 78%). The strain sensors were fabricated, and applicability to strain-sensing was evaluated.
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