Abstract
The steady-state and time-resolved fluorescence spectra of n-pentyl-n′-cyanobiphenyl and a related composite material with gold nanoparticles in the liquid crystalline and solid states have been investigated. The introduction of gold nanoparticles into the liquid crystal leads to a noticeable quenching of fluorescence in the emission region of the predimer and excimer states of cyanobiphenyl. In the solid phase, a quenching of free excitons and a short-wavelength shift of fluorescence bands have been observed.
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Original Russian Text © Yu.P. Piryatinski, A.Yu. Vakhnin, A.B. Verbitskii, A.K. Kadashchuk, 2011, published in Fizika Tverdogo Tela, 2011, Vol. 53, No. 11, pp. 2216–2221.
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Piryatinski, Y.P., Vakhnin, A.Y., Verbitskii, A.B. et al. Fluorescence properties of a composite material based on the 5CB nematic liquid crystal with gold nanoparticles. Phys. Solid State 53, 2333–2338 (2011). https://doi.org/10.1134/S1063783411110242
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DOI: https://doi.org/10.1134/S1063783411110242