Dichroic switching of core–shell plasmonic nanoparticles on reflective surfaces
Spray coating of the obtained core/shell nanostructures (a metal core and a dielectric shell) on reflective substrates produces dichroic films that can display colour switching at different viewing angles. The unique dichroic effect and high-contrast colour-switching are achieved by leveraging the resonant scattering and absorption of light by plasmonic nanostructures and the specular reflection of …
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