Gold nanoparticle photonic glasses enable angle-independent structural colours across visible spectrum
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Summary
Researchers in Korea have developed photonic glasses using gold-cored, silica-shelled nanoparticles that produce high-purity, angle-independent structural colours across the visible spectrum, including reds. The design overcomes the short-wavelength scattering problem that previously limited structural colour technology, by using gold nanoparticles that absorb blue light. This innovation enables vibrant, consistent colours regardless of viewing angle, with potential applications in displays, coatings, and anti-counterfeiting.
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bskyGold nanoparticle photonic glasses enable angle-independent structural colours across visible spectrumow.lyKey quotes
· 3 pulledPhotonic glasses containing gold-cored, silica-shelled nanoparticles can produce high-purity colours across the visible spectrum.
Crucially, the colours are independent of viewing angle.
Developed by researchers in Korea, their design avoids the short-wavelength scattering that
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