Large‐Scale Noniridescent Structural Color Printing Enabled by Infiltration‐Driven Nonequilibrium Colloidal Assembly,Advanced Materials

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Large‐Scale Noniridescent Structural Color Printing Enabled by Infiltration‐Driven Nonequilibrium Colloidal Assembly
Advanced Materials ( IF 27.4 ) Pub Date : 2018-01-12 , DOI: 10.1002/adma.201705667
Ling Bai ₁ , Van Cuong Mai _{1,

2} , Yun Lim ₁ , Shuai Hou ₁ , Helmuth Möhwald ₃ , Hongwei Duan ₁

Affiliation

Structural colors originating from interaction of light with intricately arranged micro‐/nanostructures have stimulated considerable interest because of their inherent photostability and energy efficiency. In particular, noniridescent structural color with wide viewing angle has been receiving increasing attention recently. However, no method is yet available for rapid and large‐scale fabrication of full‐spectrum structural color patterns with wide viewing angles. Here, infiltration‐driven nonequilibrium assembly of colloidal particles on liquid‐permeable and particle‐excluding substrates is demonstrated to direct the particles to form amorphous colloidal arrays (ACAs) within milliseconds. The infiltration‐assisted (IFAST) colloidal assembly opens new possibilities for rapid manufacture of noniridescent structural colors of ACAs and straightforward structural color mixing. Full‐spectrum noniridescent structural colors are successfully produced by mixing primary structural colors of red, blue, and yellow using a commercial office inkjet printer. Rapid fabrication of large‐scale structural color patterns with sophisticated color combination/layout by IFAST printing is realized. The IFAST technology is versatile for developing structural color patterns with wide viewing angles, as colloidal particles, inks, and substrates are flexibly designable for diverse applications.

中文翻译：

渗透驱动非平衡胶体组装实现大规模非虹彩结构彩色印刷

由光与错综复杂的微/纳米结构相互作用产生的结构颜色因其固有的光稳定性和能效而引起了人们的极大兴趣。特别地，具有宽视角的非虹彩结构色近来已受到越来越多的关注。但是，尚无方法可用于快速，大规模制造具有宽视角的全光谱结构彩色图案。在此，已证明在渗透性和不包含颗粒的基质上，胶体颗粒的渗透驱动非平衡组装可引导颗粒在毫秒内形成无定形胶体阵列（ACA）。渗透辅助（IFAST）胶体组件为快速制造ACA的非虹彩结构色和直接进行结构色混合提供了新的可能性。通过使用商用办公室喷墨打印机将红色，蓝色和黄色的主要结构色混合，可以成功产生全光谱非虹彩结构色。通过IFAST打印，可以快速制造具有复杂颜色组合/布局的大型结构颜色图案。IFAST技术可灵活地开发具有宽视角的结构彩色图案，因为胶体颗粒，油墨和基材可以灵活地设计用于各种应用。和黄色使用商用办公室喷墨打印机。通过IFAST打印，可以快速制造具有复杂颜色组合/布局的大型结构颜色图案。IFAST技术可灵活地开发具有宽视角的结构彩色图案，因为胶体颗粒，油墨和基材可以灵活地设计用于各种应用。和黄色使用商用办公室喷墨打印机。通过IFAST打印，可以快速制造具有复杂颜色组合/布局的大型结构颜色图案。IFAST技术可灵活地开发具有宽视角的结构彩色图案，因为胶体颗粒，油墨和基材可以灵活地设计用于各种应用。

更新日期：2018-01-12

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