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<p>Graphitic carbon nitride (g-C<sub>3</sub>N<sub>5</sub>) photocatalytic efficacy could be enhanced by reducing the rate at which photogenerated electron-hole pairs recombine. This study explored the doping the impact effects of 1–4% AuWO<sub>3</sub> nanoparticles (AuW NPs) reinforced with Polypyrole on g-C<sub>3</sub>N<sub>5</sub> nanocomposites to improve photocatalytic performance. This nanocomposite was synthesized using a simple and inexpensive method: XRD, SEM, TEM, and UV-Vis were used to characterize physicochemical parameters. We tested AuW@g-C<sub>3</sub>N<sub>5</sub> nanocomposites against pure g-C<sub>3</sub>N<sub>5</sub> and their photoactivity using methylene blue (MB) for dye degradation. AuW@g-C<sub>3</sub>N<sub>5</sub> nanocomposites with varying AuW concentrations showed better photocatalytic performance than pure g-C<sub>3</sub>N<sub>5</sub>. The 2%AuW@g-C<sub>3</sub>N<sub>5</sub> nanocomposite is the most effective photocatalyst when photocatalysis occurs in non-polluting light of the visible light, resulting in a degradation of the target molecule of the dye by 97% in comparison with 64% in the absence of the nanocomposite (bare g-C<sub>3</sub>N<sub>5</sub>). The 2%AuW@g-C<sub>3</sub>N<sub>5</sub>/Ppy nanocomposite photodegrades 2.54 times faster than virgin g-C<sub>3</sub>N<sub>5</sub>. Our results can enable effective and cost-efficient production of AuW@g-C<sub>3</sub>N<sub>5</sub>/Ppy nanocomposites to a potent environmental remediation platform.</p>

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Design of AuW nanoparticle-enhanced g-C3N5/Ppy nanocomposites for visible- light photocatalytic applications in environmental remediation

  • 期刊论文

  • 发表日期：

    2026年2月16日

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  • K. Velmurugan,
  • A. S. I. Joy Sinthiya,
  • K. S. Pushpa Valli,
  • V. Selvam,
  • C. Anitha,
  • B. Malathi

摘要

Graphitic carbon nitride (g-C3N5) photocatalytic efficacy could be enhanced by reducing the rate at which photogenerated electron-hole pairs recombine. This study explored the doping the impact effects of 1–4% AuWO3 nanoparticles (AuW NPs) reinforced with Polypyrole on g-C3N5 nanocomposites to improve photocatalytic performance. This nanocomposite was synthesized using a simple and inexpensive method: XRD, SEM, TEM, and UV-Vis were used to characterize physicochemical parameters. We tested AuW@g-C3N5 nanocomposites against pure g-C3N5 and their photoactivity using methylene blue (MB) for dye degradation. AuW@g-C3N5 nanocomposites with varying AuW concentrations showed better photocatalytic performance than pure g-C3N5. The 2%AuW@g-C3N5 nanocomposite is the most effective photocatalyst when photocatalysis occurs in non-polluting light of the visible light, resulting in a degradation of the target molecule of the dye by 97% in comparison with 64% in the absence of the nanocomposite (bare g-C3N5). The 2%AuW@g-C3N5/Ppy nanocomposite photodegrades 2.54 times faster than virgin g-C3N5. Our results can enable effective and cost-efficient production of AuW@g-C3N5/Ppy nanocomposites to a potent environmental remediation platform.