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<p>Nano photocatalysts based on semiconductors have received significant attention because of their tendency to catalyse organic processes. To enhance the photocatalytic activity of the highly effective metal vanadate FeVO<sub>4</sub>, FeVO<sub>4</sub> and graphitic C<sub>3</sub>N<sub>4</sub> nanocomposites were created. A range of complementary techniques, such as powder X-ray diffraction (XRD), N<sub>2</sub> adsorption–desorption, scanning/transmission electron microscopy, energy dispersive X-ray analysis (EDAX), Fourier transform infrared spectroscopy (FTIR), diffuse reflectance ultraviolet-visible spectroscopy (UV-DRS), X-ray photoelectron spectroscopy (XPS), and photoluminescence, were employed for characterisation. Morphological studies revealed that the FeVO<sub>4</sub> nanoparticles were randomly distributed on the surface of C<sub>3</sub>N<sub>4</sub>. Optical studies revealed the photocatalytic performance of the nanocomposites in the visible-light region. The nanocomposite was applied to the synthesis of <i>N</i>-(pyridin-2-yl)cinnamamide analogues under blue LED illumination. The reaction reached a maximum yield of 92% after 4&#xa0;h. The photocatalytic mechanism was evaluated, and reusability studies were conducted, which established the stability of the composite for up to five consecutive runs.</p> Graphical Abstract

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FeVO4/g-C3N4 Heterojunction: Characterization and Photocatalytic Approach Towards the Synthesis of N-(Pyridin-2-yl)cinnamamide Analogues

  • 期刊论文

  • 发表日期：

    2025年7月7日

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  • Mohamed Sulthan Hasan Fathima Afridha,
  • Selvaraj Mohana Roopan

摘要

Nano photocatalysts based on semiconductors have received significant attention because of their tendency to catalyse organic processes. To enhance the photocatalytic activity of the highly effective metal vanadate FeVO4, FeVO4 and graphitic C3N4 nanocomposites were created. A range of complementary techniques, such as powder X-ray diffraction (XRD), N2 adsorption–desorption, scanning/transmission electron microscopy, energy dispersive X-ray analysis (EDAX), Fourier transform infrared spectroscopy (FTIR), diffuse reflectance ultraviolet-visible spectroscopy (UV-DRS), X-ray photoelectron spectroscopy (XPS), and photoluminescence, were employed for characterisation. Morphological studies revealed that the FeVO4 nanoparticles were randomly distributed on the surface of C3N4. Optical studies revealed the photocatalytic performance of the nanocomposites in the visible-light region. The nanocomposite was applied to the synthesis of N-(pyridin-2-yl)cinnamamide analogues under blue LED illumination. The reaction reached a maximum yield of 92% after 4 h. The photocatalytic mechanism was evaluated, and reusability studies were conducted, which established the stability of the composite for up to five consecutive runs.

Graphical Abstract