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Articles Open Access 28 December 2024

Role of Ni dopant on the improvement of ZnO-based reusable photocatalytic materials

  • Eka Nurfani
    Eka Nurfani*
    Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
    * Corresponding author
  • Azka R. Firdaus
    Azka R. Firdaus
    Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
  • Dedi Triyadi
    Dedi Triyadi
    Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
  • Aditya Rianjanu
    Aditya Rianjanu
    Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
Department of Materials Engineering, Faculty of Industrial Technology, Sumatera Institute of Technology (ITERA), Lampung 35365, Indonesia
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Abstract

This study investigates the impact of Ni doping on the enhancement of ZnO-based reusable photocatalytic materials. Ni concentrations derived from nickel chloride hexahydrate were 0 wt% (ZN-1), 1 wt% (ZN-2), and 3 wt% (ZN-3). Field-emission scanning electron microscopy (FESEM) analysis reveals a significant morphological transformation from flower-like structures in pure ZnO to nanoridges in Ni-doped ZnO. X-ray diffraction data indicate a reduction in crystalline quality with Ni incorporation. UV-Vis spectroscopy shows an increase in the bandgap from 3.22 eV for pure ZnO (ZN-1) to 3.34 eV for Ni-doped ZnO (ZN-2 and ZN-3). Photocatalytic efficiency improves markedly, achieving 30%, 60%, and 80% degradation for ZN-1, ZN-2, and ZN-3, respectively, after 1-hour illumination. Notably, the photocatalytic performance remains robust even after five recycling cycles. These findings reveal the potential of Ni-doped ZnO as a cost-effective, reusable, and highly efficient photocatalytic material.

Keywords

methylene blue spray pyrolysis reusable photocatalyst ZnO:Ni film

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Cite this: Greensusmater. 2024, 1, 2, 51-56
Publication History
  • Received: December 24, 2024
  • Accepted: December 24, 2024
  • Published: December 28, 2024
DOI: 10.62755/greensusmater.2024.1.2.51-56
Copyright © 2024 | The Authors. This publication is licensed under CC-BY 4.0. Published by Green and Sustainable Materials Society.
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