Abstract
The plasmon effect that silver nanoparticles have on the luminiscent and generation properties of rhodamine 6G molecules in aqueous alcohol solutions is studied. It is found that the intensities of absorption and emission increase when silver nanoparticles are added to aqueous solutions of rhodamine 6G. It is shown that upon the laser photoexcitation of aqueous solutions of rhodamine 6G dye, spontaneous fluorescence occurs that is converted into stimulated laser emission as the pump power grows. It is found that an increase in intensity and a drop in the generation threshold of stimulated emission are observed when silver nanoparticles are added to a solution of rhodamine 6G. It is shown that the dependence of absorbance, the intensity of fluorescence, and the dye’s generation of stimulated emission on the concentration of silver nanoparticles in solution falls as the proportion of alcohol grows.
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Original Russian Text © A.K. Zeinidenov, N.Kh. Ibrayev, V.K. Gladkova, 2016, published in Zhurnal Fizicheskoi Khimii, 2016, Vol. 90, No. 12, pp. 1853–1857.
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Zeinidenov, A.K., Ibrayev, N.K. & Gladkova, V.K. Effect of silver nanoparticles on luminescent and generation properties of rhodamine 6G in aqueous alcohol solutions. Russ. J. Phys. Chem. 90, 2440–2443 (2016). https://doi.org/10.1134/S0036024416120359
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DOI: https://doi.org/10.1134/S0036024416120359