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https://doi.org/10.15480/882.2206
Publisher DOI: | 10.1063/1.5084138 | Title: | Highly selective photonic glass filter for saturated blue structural color | Language: | English | Authors: | Shang, Guoliang Häntsch, Quynh Yen Furlan, Kaline P. ![]() Janßen, Rolf Schneider, Gerold A. Petrov, Alexander ![]() Eich, Manfred |
Issue Date: | 2-Apr-2019 | Source: | APL Photonics 4 (4): 046101 1-7 (2019) | Abstract (english): | Angle independent non-absorbing spectral filters are required for many applications such as sunscreens, structural colors, photovoltaics, and radiative cooling. One of the promising and simple to manufacture structures is based on the disordered arrangement of monodisperse spherical particles by self-assembly, also called photonic glasses. So far, reported photonic glasses inherently show poor spectral selectivity with a smooth transition in reflection. No significant improvement is usually expected from particles optimization as the Mie resonances are broad for small dielectric particles with a moderate refractive index. Via Fourier space engineering, we show here that it is, nonetheless, possible to obtain sharp spectral transitions from the synergetic effect of a core-shell geometry of the particles with the short range order of the photonic glass. We apply the developed approach to demonstrate a high color saturation of a non-iridescent blue structural color employing a photonic glass with hollow sphere particles, which features a sharp spectral transition in reflection. The experimental results support the theoretical predictions from the first-order approximation. © 2019 Author(s). |
URI: | http://hdl.handle.net/11420/2367 | DOI: | 10.15480/882.2206 | ISSN: | 2378-0967 | Journal: | APL photonics | Institute: | Keramische Hochleistungswerkstoffe M-9 Optische und Elektronische Materialien E-12 |
Document Type: | Article | Project: | SFB 986: Teilprojekt C2 - Keramikbasierte hochtemperaturstabile Wärmestrahlungsreflektoren und Strukturfarben SFB 986: Teilprojekt C4 - Deposition, Ordnung und mechanische Stabilität von Beschichtungen aus assemblierten Partikeln mit enger Größenverteilung SFB 986: Teilprojekt C5 - Oxidische Hochtemperatur-Schutzschichtsysteme mittels angepasster Porenstruktur |
Funded by: | SFB 986 | License: | ![]() |
Appears in Collections: | Publications with fulltext |
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