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Dielectric, AС Conductivity and Optical Characterizations of (PVA-PEG) Doped SrO Hybrid Nanocomposites

Safa Ahmed Jabbar, Sarah Mohammed Khalil, Ali R. Abdulridha, Ehssan Al‐Bermany, Karar Abdali

2022Key engineering materials31 citationsDOIOpen Access PDF

Abstract

Strontium Oxide (SrO) nanoparticles have a specific structure, and excellent optical, mechanical, and thermal properties, within direct bandgap semiconductors applications. SrO impact on the optical and electrical properties of newly (PVA-PEG/ SrO) nanocomposite were investigated. The electrical properties were measured at 100 Hz – 6 MHz frequencies. An increase in frequency caused a reduction in the dielectric loss (δ) and dielectric constant (ɛ). ɛ value revealed an improvement with an increased loading ratio of SrO. The optical properties of the (PVA-PEG/SrO) nanocomposite showed a reduction in the energy gap values. In contrast, the absorption, extinction coefficient, absorption coefficient, optical conductivity, refractive index, and dielectric constant (imaginary, real) increased with the increased concentration of SrO NPs.

Topics & Concepts

Materials scienceDielectricMolar absorptivityNanocompositeRefractive indexAttenuation coefficientBand gapDielectric lossOptical conductivityDopingAbsorption (acoustics)ConductivityThermal conductivityComposite materialOptoelectronicsOpticsCondensed matter physicsChemistryPhysical chemistryPhysicsPolymer Nanocomposite Synthesis and IrradiationConducting polymers and applicationsDielectric materials and actuators
Dielectric, AС Conductivity and Optical Characterizations of (PVA-PEG) Doped SrO Hybrid Nanocomposites | Litcius