Biologically Active Cu/Ag Core–Shell Nanoparticles: Synthesis and Physicochemical Properties
С. Ш. РашидоваInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, 100128, Tashkent, UzbekistanН. Р. ВохидоваInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, 100128, Tashkent, UzbekistanО. В. АлексееваKrestov Institute of Solution Chemistry, Russian Academy of Sciences, 153045, Ivanovo, RussiaV. D. ShibaevaKrestov Institute of Solution Chemistry, Russian Academy of Sciences, 153045, Ivanovo, RussiaA. V. EvdokimovaKrestov Institute of Solution Chemistry, Russian Academy of Sciences, 153045, Ivanovo, RussiaА. В. АгафоновKrestov Institute of Solution Chemistry, Russian Academy of Sciences, 153045, Ivanovo, Russia
ABI
Abstract
Bimetallic Cu/Ag nanoparticles with a controlled shape and size were obtained by chemical reduction. According to scanning electron microscopy, powder X-ray diffraction, and Fourier transform IR spectroscopy data, core–shell type particles composed of a silver coating on the surface of copper nanoparticles were formed at n(Cu2+/Ag+) = 0.33 mol/mol. It was shown that bimetallic Cu/Ag nanoparticles have higher thermal stability than monometallic Cu and Ag nanoparticles taken separately. The bimetallic nanoparticles were found to exhibit antimicrobial activity against some pathogenic microorganisms, which is of interest for the development of medicinal agents.
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