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Pyrene As a New Detector for Determining the Composition of Silver Nanoparticle Dispersions in Aqueous Solutions

  • Physical Chemistry of Nanoclusters and Nanomaterials
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Abstract

It is proposed that the fluorescence of monomeric molecules of pyrene in solid matrices or in concentrated micellar solutions be used as a detector for determining the compositional homogeneity of silver nanoparticle (NP) dispersions in aqueous solutions synthesized in different ways. It is found that the morphology of silver NPs affects the change in the fluorescence intensity of monomeric molecules of pyrene in a certain (violet or blue) region of the pyrene optical spectrum. The observed phenomenon is attributed to the resonance of electronic transitions in the monomeric molecules of pyrene in regions with plasmon oscillations in silver nanoparticles. A new way of obtaining fluorescent silver NPs is found.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, 119334, Russia

    G. I. Romanovskaya, S. Yu. Kazakova, M. V. Koroleva & B. K. Zuev

Authors
  1. G. I. Romanovskaya
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  2. S. Yu. Kazakova
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  3. M. V. Koroleva
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  4. B. K. Zuev
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Correspondence to G. I. Romanovskaya.

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Romanovskaya, G.I., Kazakova, S.Y., Koroleva, M.V. et al. Pyrene As a New Detector for Determining the Composition of Silver Nanoparticle Dispersions in Aqueous Solutions. Russ. J. Phys. Chem. 92, 522–526 (2018). https://doi.org/10.1134/S0036024418030238

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  • DOI: https://doi.org/10.1134/S0036024418030238

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