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<p>This study aimed to synthesize a trimetallic oxide nanocomposite (NC) consisting of copper oxide (CuO), tin dioxide (SnO<sub>2</sub>) and hematite (Fe<sub>2</sub>O<sub>3</sub>) employing a sol-gel technique. Subsequently, the synthesized nanocomposite was calcined in an oxygen-rich environment at 100, 300, 600, and 900&#xa0;°C. In order to investigate the morphological, optical, as well as structural characteristics of resulting nanocomposites, fourier transform infrared (FT-IR) spectroscopy, thermo-gravimetric analysis (TGA), scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive X-ray (EDX) spectroscopy, and ultraviolet–visible (UV-Vis) spectroscopy were employed. As demonstrated by variations in SEM micrographs, FT-IR bands, and XRD diffraction patterns, these investigations confirmed the successful synthesis of the nanocomposites and emphasized the significant impact of calcination temperature on their morphological and structural characteristics. For the degradation of crystal violet (CV) dye, synthesized nanocomposites were further analyzed as photocatalysts where the sample calcined at 100&#xa0;°C exhibited the highest degradation efficiency i.e., 90.95%. In addition, significant biological activity was shown by these nanocomposites demonstrating promising antioxidant as well as antibacterial characteristics, thereby revealing their potential multifunctional applications in biomedical and environment fields.</p>

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Synthesis and multi-technique structural characterization of trimetallic oxide nanocomposites for environmental and medicinal applications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月30日

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  • Sadaf Ilyas Awan,
  • Wajid Rehman,
  • Rida Zameer,
  • Mona A. Alamri,
  • Thoraya A. Farghaly,
  • Muhammed Shakeel,
  • Abdullah Y. A. Alzahrani,
  • Farrukh Khan

摘要

This study aimed to synthesize a trimetallic oxide nanocomposite (NC) consisting of copper oxide (CuO), tin dioxide (SnO2) and hematite (Fe2O3) employing a sol-gel technique. Subsequently, the synthesized nanocomposite was calcined in an oxygen-rich environment at 100, 300, 600, and 900 °C. In order to investigate the morphological, optical, as well as structural characteristics of resulting nanocomposites, fourier transform infrared (FT-IR) spectroscopy, thermo-gravimetric analysis (TGA), scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive X-ray (EDX) spectroscopy, and ultraviolet–visible (UV-Vis) spectroscopy were employed. As demonstrated by variations in SEM micrographs, FT-IR bands, and XRD diffraction patterns, these investigations confirmed the successful synthesis of the nanocomposites and emphasized the significant impact of calcination temperature on their morphological and structural characteristics. For the degradation of crystal violet (CV) dye, synthesized nanocomposites were further analyzed as photocatalysts where the sample calcined at 100 °C exhibited the highest degradation efficiency i.e., 90.95%. In addition, significant biological activity was shown by these nanocomposites demonstrating promising antioxidant as well as antibacterial characteristics, thereby revealing their potential multifunctional applications in biomedical and environment fields.