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Synthesis and characterization of PEG/CS-AgNO3 polymer nanocomposites for flexible optoelectronic and energy storage applications
Imam Mohammad Ibn Saud Islamic Univ IMSIU, Saudi Arabia.
Amran Univ, Yemen.
Ibb Univ, Yemen.
Linköping University, Department of Science and Technology, Physics, Electronics and Mathematics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-9566-041X
2024 (English)In: Polymer Composites, ISSN 0272-8397, E-ISSN 1548-0569Article in journal (Refereed) Epub ahead of print
Abstract [en]

The Polyethylene glycol (PEG) and Chitosan (CS)/silver nitrate (AgNO3) thin films were prepared by utilizing the casting technique to enhance their optical, dielectric, and electrical properties. Their physicochemical characteristics were investigated using a variety of techniques. The FT-IR study demonstrates that the addition of AgNO3 NPs results in a discernible difference in the intensities and locations of vibrational peaks of all bands, supporting the incorporation of AgNO(3)NPs inside the PEG/CS. The XRD analysis indicates that the peak at 2 theta = 23.1(degrees) broadens and strengthens proportionally with the increase of AgNO3 NPs. This observation suggests that the incorporation of AgNO3 NPs into PEG/CS results in a greater degree of amorphous characteristics compared to the PEG/CS blend. Additionally, when the amount of AgNO3 NPs increases in the PEG/CS, the energy band gap decreases, resulting in the creation of localized states between the valence and conduction bands. These polymer nanocomposite films' electrical conductivity, dielectric constant, and dielectric loss all increased with frequency increased and showed variance for various composite concentrations. These AgNO(3)NPs/PEG/CS films can be promising options for frequency-tunable nanodielectrics, flexible dielectric substrates, and bandgap-regulated materials for upcoming microelectronic, capacitive energy storage, and optoelectronic technologies, according to the experimental results.

Place, publisher, year, edition, pages
WILEY , 2024.
Keywords [en]
AgNO3 nanoparticles; dielectric parameters; electrical properties; optical properties; XRD
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:liu:diva-200232DOI: 10.1002/pc.28118ISI: 001138862900001OAI: oai:DiVA.org:liu-200232DiVA, id: diva2:1829188
Note

Funding Agencies|Imam Mohammed Ibn Saud Islamic University [IMSIU-RP23023]; Deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University (IMSIU)

Available from: 2024-01-18 Created: 2024-01-18 Last updated: 2024-01-18

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