<p>Inverse spinel cobalt ferrite/MXene (CoFe<sub>2</sub>O<sub>4</sub>/MXene) nanocomposites (NCs) are expansively studied due to their exclusive optical and magnetic properties. These substantial properties brand CoFe<sub>2</sub>O<sub>4</sub>/MXene NCs as an appropriate material for wastewater remediation. Facile and economically low-temperature co-precipitation method was used to synthesize CoFe<sub>2</sub>O<sub>4</sub>/MXene NCs, and the samples were prepared at varying pH ranging from 9 to 12. The various properties of the synthesized NCs were studied using several characterization techniques such as X-ray powder diffraction (XRD), Fourier transform infrared spectrum (FTIR), elemental composition analysis (X-ray photoelectron spectra (XPS)), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy&#xa0;(TEM). The crystallite size and the phase formation were determined, and it was found that the sample pH 9 with MXene had lower crystallite size compared to other synthesized samples. From the results, it was found that increasing the pH, the crystallite size increases and there is a decrease in the lattice constant. Two prominent absorption bands were observed at 400 (<i>ν</i><sub>1</sub>) and 600&#xa0;cm<sup>−1</sup> (<i>ν</i><sub>2</sub>) in the FTIR spectra, which confirm the metal–oxygen bands. Using SEM technique, cubically spherical structure morphology was confirmed. Photo-degradation application was carried out for the prepared CoFe<sub>2</sub>O<sub>4</sub> catalyst with Methylene blue (MB) dye, which is a chief organic dye used significantly in textile industries. The results graded that the catalyst can be reused without any significant loss, which makes it an able component for the distillation of water.</p>

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Tunable optical, morphological, and magnetic properties of CoFe₂O₄/MXene nanocomposites for reusable photocatalytic water remediation

  • W. Trinisha Infancy,
  • P. Annie Vinosha,
  • Belina Xavier,
  • A. Dinesh,
  • Rajendra P. Patil,
  • Manikandan Ayyar,
  • Y. Slimani,
  • M. A. Almessiere,
  • A. Baykal,
  • Munawar Iqbal

摘要

Inverse spinel cobalt ferrite/MXene (CoFe2O4/MXene) nanocomposites (NCs) are expansively studied due to their exclusive optical and magnetic properties. These substantial properties brand CoFe2O4/MXene NCs as an appropriate material for wastewater remediation. Facile and economically low-temperature co-precipitation method was used to synthesize CoFe2O4/MXene NCs, and the samples were prepared at varying pH ranging from 9 to 12. The various properties of the synthesized NCs were studied using several characterization techniques such as X-ray powder diffraction (XRD), Fourier transform infrared spectrum (FTIR), elemental composition analysis (X-ray photoelectron spectra (XPS)), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM). The crystallite size and the phase formation were determined, and it was found that the sample pH 9 with MXene had lower crystallite size compared to other synthesized samples. From the results, it was found that increasing the pH, the crystallite size increases and there is a decrease in the lattice constant. Two prominent absorption bands were observed at 400 (ν1) and 600 cm−1 (ν2) in the FTIR spectra, which confirm the metal–oxygen bands. Using SEM technique, cubically spherical structure morphology was confirmed. Photo-degradation application was carried out for the prepared CoFe2O4 catalyst with Methylene blue (MB) dye, which is a chief organic dye used significantly in textile industries. The results graded that the catalyst can be reused without any significant loss, which makes it an able component for the distillation of water.