M. K. Alqadi, H. M. Al-Khateeb, F. Y. Alzoubi, A. B. Migdadi
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Synthesis and Characterization of Polymer Nanocomposite Films Based on PEO/ AgNPs-PVP: Structural, Thermal, Optical, and Electrical Properties
Polymer nanocomposite films based on polyethylene oxide (PEO) and various concentrations of silver nanoparticles (AgNPs) coated with polyvinylpyrrolidone (PVP) were prepared. It was found that the crystallinity degree of PEO/AgNPs films changed depending on the AgNPs content. For instance, the minimum crystallinity value was at 3 wt% of AgNPs, indicating an excellent interaction between the AgNPs and PEO chains. Furthermore, the thermal stability of the nanocomposite is boosted by increasing the AgNPs content in the polymer matrix. Also, differential scanning calorimetry (DSC) results exhibited an endothermic peak for pure PEO, while incorporating different concentrations of AgNPs reduced the melting temperature and melting enthalpy and created another exothermic peak at crystallization temperatures range (186 °C to 201 °C). Finally, the sheet resistance value of PEO/AgNPs films decreases by incorporating different AgNPs in the PEO blend in addition to a tiny gradual reduction in the bandgap energy (Eg) and substantial changes in transmittance and absorbance spectra.
期刊介绍：
Journal of Inorganic and Organometallic Polymers and Materials [JIOP or JIOPM] is a comprehensive resource for reports on the latest theoretical and experimental research. This bimonthly journal encompasses a broad range of synthetic and natural substances which contain main group, transition, and inner transition elements. The publication includes fully peer-reviewed original papers and shorter communications, as well as topical review papers that address the synthesis, characterization, evaluation, and phenomena of inorganic and organometallic polymers, materials, and supramolecular systems.
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