OPTICAL AND ELECTRICAL PROPERTIES OF ARGON ION BEAM IRRADIATED PVA/Ag NANOCOMPOSITES

A. M. Abdel Reheem, A. Atta () and T. A. Afify
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A. M. Abdel Reheem: Radiation Physics Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt†Accelerators & Ion Sources Department, Nuclear Research Center, Atomic Energy Authority, P.N.13759, Cairo, Egypt
A. Atta: Radiation Physics Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
T. A. Afify: #x2021;Radiation Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt

Surface Review and Letters (SRL), 2017, vol. 24, issue 03, 1-10

Abstract: In this work, PVA/Ag nanocomposites films were prepared using solution casting technique, these films were irradiated with Argon ion beam to modify the structure. The main objective of the study is to enhance the optical and electrical properties of the polymer nanocomposites films by irradiation. The conventional characterization techniques such as UV–Visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared (FTIR), transmission electron microscope (TEM) and dielectric measurement are employed to understand the structure–property relations. FTIR analysis of these composite films shows chemical changes and a significant impact on them can be observed after irradiation. After doping, the XRD data shows silver nanoparticles formation in the PVA polymer. The band gap energy of samples is decreased with increases in the concentration of silver nanoparticles and ion beam fluence, which gives clear indication that ion beam irradiation induced defects are formed in the composite systems. The electrical conductivity, dielectric loss ε′′ and dielectric constant ε′ are increased with increasing ion beam fluence and Ag dopant concentration.

Keywords: Ion irradiation; PVA/Ag nanocomposites; FTIR; XRD; TEM; UV/–Vis; electrical properties (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X1750038X

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