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<p>In this study, vanadium oxide was grafted onto graphitic carbon nitride (V<sub>2</sub>O<sub>5</sub>/gC<sub>3</sub>N<sub>4</sub>) via a simple and facile in situ method with various weight ratios of V<sub>2</sub>O<sub>5</sub> to gC<sub>3</sub>N<sub>4</sub>. The synthesized material was characterized using various modern analytical methods, namely, Fourier transform infrared spectroscopy, X-ray diffraction, ultraviolet–visible and photoluminescence spectroscopy, nitrogen adsorption–desorption isotherm, scanning electron microscopy–energy dispersive spectroscopy, and high-resolution transmission electron microscopy. The characterization results reveal the uniform distribution of grafted V<sub>2</sub>O<sub>5</sub> on the gC<sub>3</sub>N<sub>4</sub> sheet-like structure. The anchoring of V<sub>2</sub>O<sub>5</sub> onto gC<sub>3</sub>N<sub>4</sub> resulted in a decrease in the bandgap value from 2.70 to 2.39&#xa0;eV, thereby enhancing the photocatalytic activity of the material. The synthesized nanocomposite shows excellent degradation performance toward tetracycline, revealing its potential application for environmental remediation.</p> Graphical Abstract <p></p>

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Synthesis of V2O5/gC3N4 Materials for Photocatalytic Degradation of Tetracycline in Water

  • 期刊论文

  • 发表日期：

    2025年9月2日

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  • Nguyen Huu Hieu,
  • Le Minh An,
  • Hoang Nhu Quynh,
  • Bui Thi Phuong Quynh,
  • Lu Thi Mong Thy

摘要

In this study, vanadium oxide was grafted onto graphitic carbon nitride (V2O5/gC3N4) via a simple and facile in situ method with various weight ratios of V2O5 to gC3N4. The synthesized material was characterized using various modern analytical methods, namely, Fourier transform infrared spectroscopy, X-ray diffraction, ultraviolet–visible and photoluminescence spectroscopy, nitrogen adsorption–desorption isotherm, scanning electron microscopy–energy dispersive spectroscopy, and high-resolution transmission electron microscopy. The characterization results reveal the uniform distribution of grafted V2O5 on the gC3N4 sheet-like structure. The anchoring of V2O5 onto gC3N4 resulted in a decrease in the bandgap value from 2.70 to 2.39 eV, thereby enhancing the photocatalytic activity of the material. The synthesized nanocomposite shows excellent degradation performance toward tetracycline, revealing its potential application for environmental remediation.

Graphical Abstract