Electrochemical Formation of Polymer/Gold and Platinum Nanoparticle Nanocomposites
- Authors: Kolzunova L.G.1, Shchitovskaya E.V.1,2, Emelyanova V.G.1,2, Egorkin V.S.1
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Affiliations:
- Institute of Chemistry, FEB RAS, Vladivostok, Russia
- Far Eastern Federal University, Vladivostok, Russia
- Issue: No 4 (2025)
- Pages: 40-53
- Section: Physical chemistry of surface and nanosized systems
- URL: https://journal-vniispk.ru/0869-7698/article/view/351722
- DOI: https://doi.org/10.7868/S3034530825040047
- ID: 351722
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Abstract
The mechanism of electrochemical formation of a nanocomposite based on polymethylolacrylamide with inclusion of gold and platinum nanoparticles was studied using chronoamperometry and impedance spectroscopy. It was found that the process is complex and includes electrochemical (formation of radicals, synthesis of AuNPs and PtNPs nanoparticles, electrodeposition of a Zn sublayer) and chemical (initiation of polymerization and formation of a polymer layer, inclusion of nanoparticles into the polymer matrix) stages occurring simultaneously for 5–10 minutes. It was found that as a result of these processes, the electrode capacitance passes through a maximum, and the resistance increases, which is associated with both the deposition of a new crystalline phase on the cathode and the insulating effect of the polymer. The inclusion of metal nanoparticles in the film increases the electrical conductivity of the nanocomposite.
About the authors
L. G. Kolzunova
Institute of Chemistry, FEB RAS, Vladivostok, Russia
Email: kolzunova@ich.dvo.ru
E. V. Shchitovskaya
Institute of Chemistry, FEB RAS, Vladivostok, Russia; Far Eastern Federal University, Vladivostok, Russia
Email: evlad59@mail.ru
V. G. Emelyanova
Institute of Chemistry, FEB RAS, Vladivostok, Russia; Far Eastern Federal University, Vladivostok, Russia
Email: viktoriaemelanova4507@gmail.com
V. S. Egorkin
Institute of Chemistry, FEB RAS, Vladivostok, Russia
Email: egorkin@ich.dvo.ru
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