Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 212, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2023.111160
Keywords
PVA; CdS nanocomposite; Electrophysical properties; Gamma radiation; Crosslinking and destruction processes; Interfacial boundary layer; Crystallinity and amorphous structures
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PVA/CdS nanocomposites were formed by sorbing anions and cations from a solution of salts into the pores of polyvinyl alcohol (PVA), resulting in CdS nanoparticles at 1, 3, 5, and 10 cycles. A comparative analysis of electrical properties of the original and gamma-irradiated samples revealed that changes in electrical properties under gamma radiation were attributed to alterations in crosslinking, degradation, and oxidation processes at both the matrix and polymer-filler interface.
PVA/CdS nanocomposites were obtained by forming cadmium sulfide (CdS) nanoparticles at 1, 3, 5 and 10 cycles in the pores of polyvinyl alcohol (PVA) by layered chemical sorption of anions and cations from a solution of the corresponding salts. A comparative analysis of the temperature-frequency dependence of the electrical properties of the original and gamma-irradiated samples was carried out. It is shown that the reason for the observed changes in the electrical properties of the initial PVA and PVA/CdS nanocomposites under the action of gamma radiation is a change in the ratio of crosslinking, degradation, and oxidation processes occurring in the matrix and at the polymer-filler interface with an increase in the absorbed dose.
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