Formation of homogeneous nanostructures containing silver on the surface of a glycolic acid polymer during cyclic freezing
A study of the effect of 10-fold cyclic freezing (down to -37 °C) on the formation of nanostructures containing silver on the surface of a polymer of glycolic acid (dexon) and threads coated with fluoropolymers (fluoridex) when treated with a gel containing silver nanoparticles was carried out ... It was found that, under hydrothermal conditions, the activation of linear aggregation of silver nanoparticles (with the formation of structures up to 500 nm in length) occurred only on dexon fibers, while only a large number of isolated nanoparticles with a diameter of 1 to 5 nm appeared on fluorex threads. In general, the appearance of linear aggregation on dexon fibers confirms the regeneration of silver ions on the surface of a glycolic acid polymer from nanoparticles synthesized by cavitation-diffusion photochemical reduction, and makes it possible to use this phenomenon to obtain nanostructures containing silver for their prolonged use in liquid media.
Keywords
electron microscopy,
cyclic freezing,
linear aggregation,
silver nanoparticlesAuthors
| Dzhimak S.S. | Kuban State University; Southern Scientific Center RAS | jimack@mail.ru |
| Shashkov D.I. | Kuban State University | shinix88@mail.ru |
| Malyshko V.V. | Southern Scientific Center RAS; Kuban State Medical University | intro-2@rambler.ru |
| Moiseev A.V. | Kuban State Agrarian University | moiseew_a@rambler.ru |
| Kopytov G.F. | Kuban State University | g137@mail.ru |
Всего: 5
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