Journal
NANO CONVERGENCE
Volume 5, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/s40580-017-0133-y
Keywords
Structural color printing; Color filters; Plasmonic color filters; Plasmonics; Dielectric color filters; Metasurfaces; Metamaterials; Sub-wavelength; Nanophotonics; Tunable color filters; Large scale color filters; Up-scale color filters
Funding
- National Research Foundation - Ministry of Science, ICT and Future Planning (MSIP) of the Korean government [NRF-2017R1E1A1A03070501, NRF-2015R1A5A1037668, CAMM-2014M3A6B3063708]
- Hyundai Motor Chung Mong-Koo Fellowship
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Structural coloring is production of color by surfaces that have microstructure fine enough to interfere with visible light; this phenomenon provides a novel paradigm for color printing. Plasmonic color is an emergent property of the interaction between light and metallic surfaces. This phenomenon can surpass the diffraction limit and achieve near unlimited lifetime. We categorize plasmonic color filters according to their designs (hole, rod, metal-insulator-metal, grating), and also describe structures supported by Mie resonance. We discuss the principles, and the merits and demerits of each color filter. We also discuss a new concept of color filters with tunability and reconfigurability, which enable printing of structural color to yield dynamic coloring at will. Approaches for dynamic coloring are classified as liquid crystal, chemical transition and mechanical deformation. At the end of review, we highlight a scale-up of fabrication methods, including nanoimprinting, self-assembly and laser-induced process that may enable real-world application of structural coloring.
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