Plasmon-exciton interaction in the thin film of inhomogeneous ensemble of silver nanoparticles and cyanine J-aggregates

Anton A. Starovoytov; Rezida D. Nabiullina; Igor A. Gladskikh; Vladimir A. Polischuk; Peter S. Parfenov; Aisylu N. Kamalieva

doi:10.1117/12.2307246

4 May 2018 Plasmon-exciton interaction in the thin film of inhomogeneous ensemble of silver nanoparticles and cyanine J-aggregates

Anton A. Starovoytov, Rezida D. Nabiullina, Igor A. Gladskikh, Vladimir A. Polischuk, Peter S. Parfenov, Aisylu N. Kamalieva

Author Affiliations +

Proceedings Volume 10672, Nanophotonics VII; 106723O (2018) https://doi.org/10.1117/12.2307246
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

The optical properties of organometallic films of silver nanoparticles and J-aggregates of pseudoisocyanine dye have been studied to observation of the plasmon-exciton interaction. The original method for obtaining J-aggregates on inhomogeneous island silver films without use of salt and water was developed. Owing to the broad bandwidth of inhomogeneous plasmon resonances; it is possible to study the interaction of nanoparticles and J-aggregates, obtained in the spin-coated layer on the silver island film. The absorption spectrum of the organometallic film is not a simple sum of the spectra composing its components. The absorption of dye molecules increases several times in the presence of silver nanoparticles, which is due to the influence of the near fields of the latter. The spectral dip in the absorption maximum of the J-aggregate of pseudoisocyanine was observed; it became more symmetrical with an increasing equivalent thickness of the island film.

Citation Download Citation

Anton A. Starovoytov, Rezida D. Nabiullina, Igor A. Gladskikh, Vladimir A. Polischuk, Peter S. Parfenov, and Aisylu N. Kamalieva "Plasmon-exciton interaction in the thin film of inhomogeneous ensemble of silver nanoparticles and cyanine J-aggregates", Proc. SPIE 10672, Nanophotonics VII, 106723O (4 May 2018); https://doi.org/10.1117/12.2307246

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