Characterization, optical, and electrical properties of chitosan/polyacrylamide blend doped silver nanoparticles

The organic–inorganic nanocomposites materials were made using the aqueous solution-cast process and consisted of a 50/50 wt% combination of chitosan (Cs) and polyacrylamide (PAM) doped with various concentrations of silver nanoparticles (0.1, 0.4, and 0.6 wt%). Ag NPs had a significant impact on th...

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Published inJournal of materials science. Materials in electronics Vol. 33; no. 13; pp. 10645 - 10656
Main Authors Algethami, Norah, Rajeh, A., Ragab, H. M., Tarabiah, A. E., Gami, Fatma
Format Journal Article
LanguageEnglish
Published New York Springer US 01.05.2022
Springer Nature B.V
Subjects
Aqueous solutions
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chitosan
Complex permittivity
Electrical properties
Materials Science
Nanocomposites
Nanoparticles
Optical and Electronic Materials
Optical properties
Polyacrylamide
Polymer blends
Polymer films
Polymers
Silver
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Summary:The organic–inorganic nanocomposites materials were made using the aqueous solution-cast process and consisted of a 50/50 wt% combination of chitosan (Cs) and polyacrylamide (PAM) doped with various concentrations of silver nanoparticles (0.1, 0.4, and 0.6 wt%). Ag NPs had a significant impact on the structural behavior of the Cs/PAM-Ag polymer blend, according to XRD and FTIR studies. Furthermore, XRD measurements show that increasing Ag nanoparticles inside the blend matrix increase the amourphuosity of polymer films. The intermolecular interaction between Cs/PAM blend and Ag nanoparticles is indicated by the FTIR spectra, which show that the intensity of the nanocomposites films decreases with Ag NPs addition. The optical bandgap decreases as the Ag NPs concentration in the Cs/PAM matrix increases, while the Urbach energy increases. The AC conductivity was improved after adding the silver nanoparticles. The values of the complex permittivity of the nanocomposite samples showed increment with a rise in the concentration of Ag NPs, which is due to an increase in ionic conduction of the films. The present results showed the advantage of using Ag NPs as nanofiller to improve the optical and electrical properties of Cs/PAM samples.
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ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-022-08048-5