Scholarlink

<p>Moth-eye structures are biomimetic nanostructures with anti-reflective properties. In this study, a fabrication method based on oxygen ion beam irradiation of glassy carbon (GC) was developed to produce moth-eye structures. GC is a carbon-based material, and oxygen ion beam irradiation induces ion-beam-driven nanoscale surface modification, resulting in the spontaneous formation of conical nanostructures characteristic of moth-eye structures. Based on this principle, a scale-up fabrication process was established. A roll mold was first prepared by sputter-depositing GC onto a roll surface, followed by oxygen ion beam irradiation using reactive ion etching equipment. The fabricated moth-eye roll mold was then installed in a roll-to-roll ultraviolet nanoimprint lithography (RTR UV-NIL) system to transfer the structure onto a film surface. The moth-eye-structured film exhibited low reflectance (0.1% in the visible wavelength range) and high transparency (94%). Continuous transfer was achieved on films with a width of 1.5&#xa0;m, demonstrating the feasibility of mass production of moth-eye-structured films. These films are suitable for applications such as display windows, showcases, and digital signage. To further enhance functionality, a micro–nano hybrid structure was fabricated by exploiting the moth-eye structure. This process involved forming a micropattern by applying a hydrophilic photoresist to the moth-eye surface, filling the structure with a water-repellent UV-curable resin, UV irradiation, and subsequent release of the micropattern to generate micron-scale hydrophilic regions within a water-repellent moth-eye structure. As a result, an adhesive, water-repellent surface exhibiting the rose petal effect was obtained, which was also effective for harvesting water from fog.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Mass production of moth-eye structured films and fabrication of micro–nano hybrid structures using moth-eye patterns

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月17日

查看全文
  • Jun Taniguchi

摘要

Moth-eye structures are biomimetic nanostructures with anti-reflective properties. In this study, a fabrication method based on oxygen ion beam irradiation of glassy carbon (GC) was developed to produce moth-eye structures. GC is a carbon-based material, and oxygen ion beam irradiation induces ion-beam-driven nanoscale surface modification, resulting in the spontaneous formation of conical nanostructures characteristic of moth-eye structures. Based on this principle, a scale-up fabrication process was established. A roll mold was first prepared by sputter-depositing GC onto a roll surface, followed by oxygen ion beam irradiation using reactive ion etching equipment. The fabricated moth-eye roll mold was then installed in a roll-to-roll ultraviolet nanoimprint lithography (RTR UV-NIL) system to transfer the structure onto a film surface. The moth-eye-structured film exhibited low reflectance (0.1% in the visible wavelength range) and high transparency (94%). Continuous transfer was achieved on films with a width of 1.5 m, demonstrating the feasibility of mass production of moth-eye-structured films. These films are suitable for applications such as display windows, showcases, and digital signage. To further enhance functionality, a micro–nano hybrid structure was fabricated by exploiting the moth-eye structure. This process involved forming a micropattern by applying a hydrophilic photoresist to the moth-eye surface, filling the structure with a water-repellent UV-curable resin, UV irradiation, and subsequent release of the micropattern to generate micron-scale hydrophilic regions within a water-repellent moth-eye structure. As a result, an adhesive, water-repellent surface exhibiting the rose petal effect was obtained, which was also effective for harvesting water from fog.