P. O. Malakhovsky, A. A. Ramanenka, M. V. Artemyev
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Amplification of the Surface-Enhanced Raman Scattering Signal from a Monolayer of Organic Molecules in Sandwich Structures Containing Plasmonic Silver Nanoplates
A novel technique was developed for the preparation of bilayer sandwich-type structures containing monolayers or laterally-oriented silver nanoplates electrostatically deposited onto thin polymer films. The surface-enhanced Raman scattering (SERS) signal of 4-mercaptobenzoic acid in the ligand layer of the silver nanoplates was found to depend on the surface concentration of the deposited silver nanoplates in the monolayer. A two-fold enhancement was found for the surface-enhanced Raman scattering signal of the analyte located in the gaps between the silver nanoplate monolayers compared to the signal from a single silver nanoplate monolayer with identical surface concentration of the analyte molecules.
期刊介绍：
Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.
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