Effect of plasmonic interaction between rhodamine 6G in polyvinyl alcohol film and rough silver surface: estimation of absorption energy to plasmon excitation

Anna V. Tcibulnikova; Ilya G. Samusev; Vasily A. Slezhkin; Valery V. Bryukhanov

doi:10.1117/12.2306779

4 May 2018 Effect of plasmonic interaction between rhodamine 6G in polyvinyl alcohol film and rough silver surface: estimation of absorption energy to plasmon excitation

Anna V. Tcibulnikova, Ilya G. Samusev, Vasily A. Slezhkin, Valery V. Bryukhanov

Author Affiliations +

Proceedings Volume 10672, Nanophotonics VII; 1067230 (2018) https://doi.org/10.1117/12.2306779
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

The optical processes of plasmonic enhancement of rhodamine 6G molecules fluorescence in dielectric films of polyvinyl alcohol deposited on a rough silver surface have been studied. The reflection coefficients of the polarized light components on rough silver surfaces have been determined by means of spectral ellipsometry and spectrophotometry methods. Two kinds of silver surfaces were used: without and with anodizing at current density of 5 mA/cm² of 0.5 μm layer. The plasmon spectrum appeared to be red-shifted after polyvinyl film deposition onto the silver plate. I was shown that the silver-dielectric interface roughness affects the position of the reflected light spectrum maximum to 360 – 400 nm range due to the dielectric polarizing effect.

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Anna V. Tcibulnikova, Ilya G. Samusev, Vasily A. Slezhkin, and Valery V. Bryukhanov "Effect of plasmonic interaction between rhodamine 6G in polyvinyl alcohol film and rough silver surface: estimation of absorption energy to plasmon excitation", Proc. SPIE 10672, Nanophotonics VII, 1067230 (4 May 2018); https://doi.org/10.1117/12.2306779

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