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The effects of prolonged UV irradiation on the physicochemical characteristics of chitosan lamellar films modified with nanoparticulate silver vanadate nanorods

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Abstract

Chitosan–AgVO3 nanocomposites were synthesized via ordinary solution casting route at ambient room temperature. During UV prolonged irradiation, the structural and chemical changes were investigated using UV–Vis spectroscopy, Fourier transform infrared (FTIR) and X-ray diffraction analysis (XRD). Spectroscopic exploration of FTIR and UV–Vis indicated the photodegradation processes of prepared thin films. UV–Vis analysis confirmed the generation of new chromophoric groups after prolonged UV irradiation of synthesized lamellar nanocomposites polymer system probably assigned to photooxidation processes. The level of changes of such physicochemical characteristics may be considered to be dependent on the reactive functional groups on the chitosan surface, concentrations of inorganic lamellar dopant (AgVO3 nanorods), irradiation conditions and the time of UV irradiation. Primarily, this study provides the influential modification of chitosan with AgVO3 nanorods.

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Authors and Affiliations

  1. Physics Division, Spectroscopy Department, National Research Center, 33 Elbehouth St, Dokki, Giza, 12311, Egypt

    A. M. Abdelghany

  2. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt

    D. M. Ayaad & A. M. Aboelkheir

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  1. A. M. Abdelghany
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  2. D. M. Ayaad
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  3. A. M. Aboelkheir
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Correspondence to A. M. Abdelghany.

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Abdelghany, A.M., Ayaad, D.M. & Aboelkheir, A.M. The effects of prolonged UV irradiation on the physicochemical characteristics of chitosan lamellar films modified with nanoparticulate silver vanadate nanorods. Polym. Bull. 77, 5489–5503 (2020). https://doi.org/10.1007/s00289-019-03029-x

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