Abstract
In this study, the precipitation and sonication methods were used to fabricate WO3–NiO/rGO nanohybrid. The structural, spectral and optical characteristics of the as-synthesized samples were confirmed using X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), and UV–Visible spectroscopy. In comparison to pure WO3, NiO and WO3–NiO, WO3–NiO/rGO nanohybrid demonstrated increased photocatalytic degradation activity for rhodamine B and methylene blue under solar light irradiation. The percent degradation values for WO3, NiO, WO3–NiO and WO3–NiO/rGO nanohybrid for methylene blue were 64%, 81%, 86% and 95%, and for rhodamine B were 58%, 80%, 92% and 96%. The lower recombination of photo-generated holes and electrons as a result of the creation of a heterojunction between WO3 and NiO and the improved optical bandgap energy of WO3-NiO nanocomposite and its hybrid with rGO are the potential causes of this enhanced photocatalytic degradation. WO3–NiO/rGO nanohybrid demonstrated outstanding photocatalytic performance and positioned itself as a viable candidate in the catalysis industry.
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The authors express their gratitude to Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2024R326), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.
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BB: all experimental work. IS: contribution to writing the first draft. ZAA: edit and review. MSAl-B: edit and review. MA: catalysis data interpretation. SY: structural analysis. MFW: management of the entire project.
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Basha, B., Shakir, I., Alrowaili, Z.A. et al. WO3–NiO/rGO Based Photocatalyst for Effectively Degradation of Colored and Colorless Pollutants Using Solar Light Irradiation. J Inorg Organomet Polym (2024). https://doi.org/10.1007/s10904-024-03001-x
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DOI: https://doi.org/10.1007/s10904-024-03001-x