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<p>An ecologically friendly synthesis process was used to produce CeO<sub>2</sub> nanoparticles (CeO<sub>2</sub>NPs) from <i>Crataegus</i> fruit extract. The properties of the CeO<sub>2</sub>NPs were studied with UV–Vis, X-ray diffraction (XRD), energy-dispersive X-ray, Fourier transform infrared (FTIR), and Raman spectroscopy, as well as field electron scanning electron microscopy (FE-SEM) and zeta potential analysis. The XRD investigation confirmed their cubic crystal structure, with an average crystallite size of 6.11&#xa0;nm. Images acquired using FE-SEM revealed that the CeO<sub>2</sub>NPs had a spherical shape and a particle size of 23 nm. The photocatalytic degradation of acid orange 7 (AO7) dye under solar irradiation, aided by biosynthesized CeO<sub>2</sub>NPs, was thoroughly investigated. The CeO<sub>2</sub>NPs displayed a remarkable 98% degradation effectiveness against the AO7 dye, with a wide photocatalytic range.</p>

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Optical, Morphological, and Structural Characterization of Green Synthesized CeO2 Nanoparticles for Photocatalytic Degradation of Acid Orange 7 Dye

  • 期刊论文

  • 发表日期：

    2025年6月4日

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  • Dhulfiqar S. Mutashar,
  • Ruqaya Fouad Kadhim,
  • Ahmed Q. Jabbar,
  • Mohammed J. Tuama

摘要

An ecologically friendly synthesis process was used to produce CeO2 nanoparticles (CeO2NPs) from Crataegus fruit extract. The properties of the CeO2NPs were studied with UV–Vis, X-ray diffraction (XRD), energy-dispersive X-ray, Fourier transform infrared (FTIR), and Raman spectroscopy, as well as field electron scanning electron microscopy (FE-SEM) and zeta potential analysis. The XRD investigation confirmed their cubic crystal structure, with an average crystallite size of 6.11 nm. Images acquired using FE-SEM revealed that the CeO2NPs had a spherical shape and a particle size of 23 nm. The photocatalytic degradation of acid orange 7 (AO7) dye under solar irradiation, aided by biosynthesized CeO2NPs, was thoroughly investigated. The CeO2NPs displayed a remarkable 98% degradation effectiveness against the AO7 dye, with a wide photocatalytic range.