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Photonic glass based structural color
Citation Link: https://doi.org/10.15480/882.2891
Publikationstyp
Journal Article
Date Issued
2020-06-08
Sprache
English
Author(s)
TORE-DOI
TORE-URI
Journal
Volume
5
Issue
6
Article Number
060901
Citation
APL Photonics 6 (5): 060901 (2020)
Publisher DOI
Scopus ID
Publisher
AIP Publishing
Structural coloration, which is based on spectrally selective scattering from optical structures, has recently attracted wide attention as a replacement of pigment colors based on the selective light absorption in chemical structures. Structural colors can be produced from transparent non-toxic materials and provide high stability under solar radiation. To provide angle independent non-iridescent colors, the structure should combine spectral selectivity with an isotropic response. Photonic glass (PhG), a disordered arrangement of monodisperse spheres, is a versatile structure to achieve that, which provides isotropic spectral selectivity via short-range order and Mie resonances. However, conventional PhGs show low color purity that hinders their future application. The interplay of single-particle scattering, short-range order, broadband absorption, and Fresnel reflection is a route to improve the color. In this perspective, we review the field of PhG based structural colors and discuss the physical mechanism behind the color generation by several established theories. We point out the current challenges in the theory and possible directions to improve color purity.
DDC Class
530: Physik
More Funding Information
Deutsche Forschungsgemeinschaft
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Name
5.0006203.pdf
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10.74 MB
Format
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