Abstract
The process of fabrication of plasmon mesostructures based on opal-like films (films consisting of silica spheres of similar diameters) and homogeneous and quasi-homogeneous sol-gel SiO2 films has been elaborated. The kinetics of formation of silver nanoparticles (NPs) in such films in the course of thermal treatment has been studied. Two mechanisms of the formation of the plasmon absorption bands in such structures have been revealed. The results of the plasmon amplification of the Raman scattering signal of the Rhodamine 6G dye on opal-like films containing silver NPs have been reported.
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