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<p>The present investigation focused on synthesizing and characterizing graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) nanosheets anchored on phosphorus-boron co-doped titanium dioxide (TiO<sub>2</sub>) nanoparticles by direct sonochemical method. The primary goal of the current study was to increase photocatalytic activity for use in environmental remediation. A simple and scalable method for creating composite photocatalysts with distinct structures using sonochemical method. The successful anchoring of phosphorus-boron co-doped TiO<sub>2</sub> nanoparticles onto g-C<sub>3</sub>N<sub>4</sub> nanosheets was confirmed by structural and chemical analyses using Fourier transform infrared spectroscopy (FTIR), High resolution transmission electron microscopy (HR-TEM) and X-ray diffraction (XRD). With its unique Z-scheme heterojunction structure, the resultant composite allowed for effective charge separation and improved photocatalytic activity. Methylene blue and methylene orange, which are model organic pollutants that are exposed to both UV and visible light, were used to measure the photocatalytic activity. When compared to pristine TiO<sub>2</sub> and g-C<sub>3</sub>N<sub>4</sub> counterparts, the phosphorus-boron co-doped TiO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> (PB-TiO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub>) composite demonstrated significantly improved efficiency which showcasing its potential for environmental remediation.</p>

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Phosphorus and boron co-doped TiO2 nanoparticles anchored on graphitic carbon nitride nanosheets: enhancing photocatalytic activity for environmental remediation

  • 期刊论文

  • 发表日期：

    2025年8月19日

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  • U. J. Ramesh Babu,
  • K. Mahendra,
  • I. Yashodhara,
  • Jayadev Pattar

摘要

The present investigation focused on synthesizing and characterizing graphitic carbon nitride (g-C3N4) nanosheets anchored on phosphorus-boron co-doped titanium dioxide (TiO2) nanoparticles by direct sonochemical method. The primary goal of the current study was to increase photocatalytic activity for use in environmental remediation. A simple and scalable method for creating composite photocatalysts with distinct structures using sonochemical method. The successful anchoring of phosphorus-boron co-doped TiO2 nanoparticles onto g-C3N4 nanosheets was confirmed by structural and chemical analyses using Fourier transform infrared spectroscopy (FTIR), High resolution transmission electron microscopy (HR-TEM) and X-ray diffraction (XRD). With its unique Z-scheme heterojunction structure, the resultant composite allowed for effective charge separation and improved photocatalytic activity. Methylene blue and methylene orange, which are model organic pollutants that are exposed to both UV and visible light, were used to measure the photocatalytic activity. When compared to pristine TiO2 and g-C3N4 counterparts, the phosphorus-boron co-doped TiO2/g-C3N4 (PB-TiO2/g-C3N4) composite demonstrated significantly improved efficiency which showcasing its potential for environmental remediation.