Investigating the hybrid potential of PVA-chitosan-loaded TiO2@NiO films for advanced conductivity and dielectric performance

Sherief A. Al Kiey; Monica Toderaș; O.A. Al-Qabandi; Mohamed Bassyouni; Qihui Zhou; Miroslawa El Fray; Mohamed S. Hasanin

Polymer Testing (Sep 2024)

Investigating the hybrid potential of PVA-chitosan-loaded TiO2@NiO films for advanced conductivity and dielectric performance

Sherief A. Al Kiey,
Monica Toderaș,
O.A. Al-Qabandi,
Mohamed Bassyouni,
Qihui Zhou,
Miroslawa El Fray,
Mohamed S. Hasanin

Affiliations

Sherief A. Al Kiey: Electrochemistry and Corrosion Laboratory, Physical Chemistry Department, National Research Centre, Dokki, Cairo, 12622, Egypt; Material Engineering Lab., Central Network Laboratories, National Research Centre, Dokki, Cairo, 12622, Egypt; Corresponding author. Electrochemistry and Corrosion Laboratory, Physical Chemistry Department, National Research Centre, Dokki, Cairo, 12622, Egypt.
Monica Toderaș: Department of Physics, Faculty of Informatics and Sciences, University of Oradea, 1 University Street, Oradea, 410087, Romania
O.A. Al-Qabandi: College of Engineering and Technology, American University of Middle East, Kuwait; Corresponding author.
Mohamed Bassyouni: Center of Excellence in Membrane-Based Water Desalination Technology for Testing and Characterization (CEMTC), Port Said University, Port Said, 42526, Egypt; Department of Chemical Engineering, Faculty of Engineering, Port Said University, 42526, Egypt; East Port Said University of Technology, North Sinai, 45632, Egypt
Qihui Zhou: School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, China
Miroslawa El Fray: Department of Polymer and Biomaterials Science, West Pomeranian University of Technology in Szczecin, Al. Piastow 45, 70-311, Szczecin, Poland
Mohamed S. Hasanin: East Port Said University of Technology, North Sinai, 45632, Egypt; Cellulose and Paper Department, National Research Centre, Dokki, Cairo, 12622, Egypt

Journal volume & issue: Vol. 138
p. 108546

Abstract

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The synthesis and characterization of PVA-chitosan-NiO, PVA-chitosan-TiO2, and PVA-chitosan-TiO2@NiO films have opened avenues for tailoring materials with specific electrical, dielectric, and optical properties. The synergistic effects arising from the combination of polymers and metal oxides offer a platform for further optimization and application-specific tuning. The synthesis process successfully incorporated NiO and TiO2 nanoparticles into the PVA-chitosan matrix, creating three distinct films: PVA-chitosan-NiO, PVA-chitosan-TiO2, and PVA-chitosan-TiO2@NiO. Structural analyses, including X-ray diffraction (XRD) and scanning electron microscopy (SEM), revealed well-defined nanostructures with crystalline metal oxide dispersions. Dielectric characterization demonstrated frequency-dependent behavior, elucidating the influence of metal oxides on dielectric constants and loss tangents. Cole–Cole plots provide insights into relaxation processes and can guide applications in capacitors and energy storage devices. Conductivity measurements highlight the enhanced electrical performance of NiO and TiO2. This study provides a foundation for future research on the development of advanced functional materials for a wide range of technological applications. The insights gained from this work contribute to the growing body of knowledge on polymer-metal oxide composites and pave the way for innovations in electronic, optoelectronic, and energy-related technologies.

Published in Polymer Testing

ISSN: 0142-9418 (Print); 1873-2348 (Online)
Publisher: Elsevier
Country of publisher: United Kingdom
LCC subjects: Technology: Chemical technology: Polymers and polymer manufacture
Website: https://www.journals.elsevier.com/polymer-testing

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