The light reflectance in three-dimensional metallodielectric photonic crystals assembled from polyelectrolyte-coated latex spheres infiltrated with gold nanoparticles has been studied. Strong deviation of the optical reflectance of Au opals from bare opals has been observed, including flattening of the diffraction resonance dispersion and nondispersive surface plasmon bands.
Reflectivity behavior of opals of gold nanoparticle coated spheres
P. T. Miclea, A. S. Susha, Z. Liang, F. Caruso, C. M. Sotomayor Torres, S. G. Romanov; Reflectivity behavior of opals of gold nanoparticle coated spheres. Appl. Phys. Lett. 17 May 2004; 84 (20): 3960–3962. https://doi.org/10.1063/1.1739512
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