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Title: Large-scale noniridescent structural color printing enabled by infiltration-driven nonequilibrium colloidal assembly
Authors: Bai, Ling
Mai, Van Cuong
Lim, Yun
Hou, Shuai
Möhwald, Helmuth
Duan, Hongwei
Keywords: Engineering::Bioengineering
Issue Date: 2018
Source: Bai, L., Mai, V. C., Lim, Y., Hou, S., Möhwald, H., & Duan, H. (2018). Large-scale noniridescent structural color printing enabled by infiltration-driven nonequilibrium colloidal assembly. Advanced materials, 30(9), 1705667-. doi:10.1002/adma.201705667
Journal: Advanced materials
Abstract: 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.
ISSN: 0935-9648
DOI: 10.1002/adma.201705667
Rights: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. This paper was published in Advanced materials and is made available with permission of WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
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