Structural Colors Enabled by Lattice Resonance on Silicon Nitride Metasurfaces
- 16 April 2020
- journal article
- research article
- Published by American Chemical Society (ACS) in ACS Nano
- Vol. 14 (5), 5678-5685
- https://doi.org/10.1021/acsnano.0c00185
Abstract
Artificial color pixels based on dielectric Mie resonators are appealing for scientific research as well as practical design. Vivid colors are imperative for displays and imaging. Dielectric metasurface-based artificial pixels are promising candidates for developing flat, flexible, and/or wearable displays. Considering the application feasibility of artificial color pixels, wide color gamuts are crucial for contemporary display technology. To achieve a wide color gamut, ensuring the purity and efficiency of nanostructure resonance peaks in the visible spectrum is necessary for structural color design. Low-loss dielectric materials are suitable for achieving vivid colors with structural color pixels. However, high-order Mie resonances prevent color pixels based on dielectric metasurfaces from efficiently generating highly saturated colors. In particular, fundamental Mie resonances (electric/magnetic dipole) for red can result in not only a strong resonance peak at 650 nm, but also high-order Mie resonances at shorter wavelengths, which reduces the saturation of the target color. To address these problems, we fabricated silicon nitride metasurfaces on quartz substrates and applied Rayleigh anomalies at relatively short wavelengths to successfully suppress high-order Mie resonances, thus creating vivid color pixels. We performed numerical design, semianalytic considerations, and experimental proof-of-concept examinations to demonstrate the performance of the silicon nitride metasurfaces. Apart from traditional metasurface designs that involve transmission and reflection modes, we determined that lateral light incidence on silicon nitride metasurfaces can provide vivid colors through long-range dipole interactions; this can thus extend the applications of such surfaces to eyewear displays and guided-wave illumination techniques.Keywords
Funding Information
- Ministry of Education
- Air Force Office of Scientific Research (FA9550-19-1-0032)
- Ministry of Science and Technology, Taiwan (107-2218-E-009-056, 107-2221-E-009-046-MY3, 108-2923-E-009-003-MY3)
- National Chiao Tung University
This publication has 57 references indexed in Scilit:
- Ultrathin Nanostructured Metals for Highly Transmissive Plasmonic Subtractive Color FiltersScientific Reports, 2013
- Multipole analysis of light scattering by arbitrary-shaped nanoparticles on a plane surfaceJournal of the Optical Society of America B, 2013
- Tailoring Directional Scattering through Magnetic and Electric Resonances in Subwavelength Silicon NanodisksACS Nano, 2013
- Collective resonances in metal nanoparticle arrays with dipole-quadrupole interactionsPhysical Review B, 2012
- Substrate-Induced Fano Resonances of a Plasmonic Nanocube: A Route to Increased-Sensitivity Localized Surface Plasmon Resonance Sensors RevealedNano Letters, 2011
- Diffractive arrays of gold nanoparticles near an interface: Critical role of the substratePhysical Review B, 2010
- Optical response features of Si-nanoparticle arraysPhysical Review B, 2010
- Collective Resonances in Gold Nanoparticle ArraysPhysical Review Letters, 2008
- Theoretical studies of plasmon resonances in one-dimensional nanoparticle chains: narrow lineshapes with tunable widthsNanotechnology, 2006
- Divergence of dipole sums and the nature of non-Lorentzian exponentially narrow resonances in one-dimensional periodic arrays of nanospheresJournal of Physics B: Atomic, Molecular and Optical Physics, 2005