Download file (866KB)
Download as zip (808KB)

コレクション

引用

説明:

Recently, mechanochromic soft materials that enable smart sensing functions by visual inspection without the need for special devices have been attracting attention. We have developed a non-close-packed type elastic colloidal crystal sheet through a simple shear-induced process. The colloidal crystal state, in which the (111) plane exhibited significant orientation due to shear stress, was successfully stabilized in the 4-hydroxybutyl acrylate (4-HBA) monomer precursor dispersed with desalted silica colloidal particles through the implementation of UV irradiation radical polymerization. Consequently, a solid colloidal crystal sheet was produced, capable of reversibly modulating its structural color in response to elastic deformation. In this article report will address the stress response functions of this sheet due to elastic deformation of stretching, compressing and bending. In addition, a rapid structural color change at 4.17 ms unit by impacting. By analysis of tensile and strain curve, Young’s module was 0.56 MPa, tensile strength 0.73 MPa and elongation brake was 142.9%. In addition, durability repeating elongating the rubber sheet for 100,000 times. Up now 150 cm2 sheet produced by hand made batch process. This simple process is suitable for scaling up colloidal crystal to mass production and is expected to have a wide range of engineering applications with mechanochromic materials.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Colloidal Crystal, Structural Color, Bragg’s Diffraction, Shear Stress , Elastic Deformation

刊行年月日: 2025-05-15

出版者: Scilight Press Pty Ltd

掲載誌:

• Materials and Interfaces (ISSN: 29822394) vol. 2 issue. 2

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.53941/mi.2025.100011

関連資料:

その他の識別子:

連絡先:

更新時刻: 2025-07-04 08:30:25 +0900

MDRでの公開時刻: 2025-07-04 08:19:03 +0900