Journal
NATURE COMMUNICATIONS
Volume 10, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-12689-2
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [NRF-2016M1A2A2940914, NRF-2017R1A5A1015365, NRF-2017R1A2A1A05022387]
- Creative Materials Discovery Program - Ministry of Education [2018M3D1A1058536, NRF-2015R1D1A1A01059229]
- Nano-Material Technology Development Program - Ministry of Education [NRF-2015R1D1A1A01059229, 2009-0082580]
- Basic Science Research Program - Ministry of Education [NRF-2015R1D1A1A01059229]
- Natural Sciences and Engineering Research Council (NSERC) of Canada
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While plasmonic designs have dominated recent trends in structural color, schemes using localized surface plasmon resonances and surface plasmon polaritons that simultaneously achieve high color vibrancy at ultrahigh resolution have been elusive because of tradeoffs between size and performance. Herein we demonstrate vibrant and size-invariant transmissive type multicolor pixels composed of hybrid TiOx-Ag core-shell nanowires based on reduced scattering at their electric dipolar Mie resonances. This principle permits the hybrid nanoresonator to achieve the widest color gamut (similar to 74% sRGB area coverage), linear color mixing, and the highest reported single color dots-per-inch (58,000 similar to 141,000) in transmission mode. Exploiting such features, we further show that an assembly of distinct nanoresonators can constitute a multicolor pixel for use in multispectral imaging, with a size that is similar to 10-folds below the Nyquist limit using a typical high NA objective lens.
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