Preparation and characterization of High-performance ZnO/PVB Nanocomposite films for UV-shielding and Optoelectronics

Year : 2025 | Volume : 27 | Issue : 03 | Page : 35 53
    By

    Rajeshwar Reddy A,

  • J. Satheesh Goud,

  • N. Narsimulu,

  1. Lecturer, Department of Physics, MJPTBCWR Junior College for Girls (COE), Hyderabad, Telangana, India
  2. Lecturer, Telangana Tribal Welfare Residential Educational Institutions Society, Hyderabad, Telangana, India
  3. Associate Professor, Department of Physics, University College of Engineering, Osmania University, Hyderabad, Telangana, India

Abstract

Zinc oxide nanoparticles can be incorporated into polymer matrices to create materials for various high-performance engineering applications. In this study, zinc oxide nanoparticles were reinforced at different loadings (0.5, 1.0, 0.5, 1.0, 1.5, and 2.0 wt.%) in polyvinyl butyral matrix to synthesize nanocomposite films using the solution casting method. The impact of zinc oxide nanofiller on the morphology and ultraviolet-shielding performance of polyvinyl butyral nanocomposite films was evaluated using various characterization techniques. The zinc oxide nanoparticles are well dispersed in the polyvinyl butyral polymer matrix, as shown by the X-ray diffraction patterns and scanning electron microscopy micrographs. The energy dispersive X-ray analysis confirms the quantitative presence of zinc oxide in the composite films. The absorption peaks in the Fourier-transform infrared spectroscopy spectra of the nanocomposites shift to higher or lower wavenumbers compared to those observed in pure polyvinyl butyral. These shifts are associated with the interaction between zinc oxide and the molecular chains of polyvinyl butyral. Ultraviolet-visible absorption spectroscopy assessed optical characteristics, film transparency, and ultraviolet-shielding performance. Specifically, the composite films containing 2.0 wt.% of zinc oxide in polyvinyl butyral exhibit a 21.4% enhancement in ultraviolet-shielding compared to pure polyvinyl butyral while maintaining acceptable transparency. Therefore, these nanocomposite films can be used in various engineering applications, including ultraviolet-shielding and optoelectronics devices.

Keywords: ZnO/PVB nanocomposite films, XRD, SEM, FTIR, UV-visible spectroscopy, UV-shielding.

[This article belongs to Nano Trends – A Journal of Nano Technology & Its Applications ]

How to cite this article:
Rajeshwar Reddy A, J. Satheesh Goud, N. Narsimulu. Preparation and characterization of High-performance ZnO/PVB Nanocomposite films for UV-shielding and Optoelectronics. Nano Trends – A Journal of Nano Technology & Its Applications. 2025; 27(03):35-53.
How to cite this URL:
Rajeshwar Reddy A, J. Satheesh Goud, N. Narsimulu. Preparation and characterization of High-performance ZnO/PVB Nanocomposite films for UV-shielding and Optoelectronics. Nano Trends – A Journal of Nano Technology & Its Applications. 2025; 27(03):35-53. Available from: https://journals.stmjournals.com/nts/article=2025/view=215471


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Regular Issue Subscription Original Research
Volume 27
Issue 03
Received 21/05/2025
Accepted 05/06/2025
Published 01/07/2025
Publication Time 41 Days


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