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<p>Ternary composite, g-C<sub>3</sub>N<sub>4</sub>/MoS<sub>2</sub>/NiO, was synthesized using a cost-effective hydrothermal method and thoroughly characterized through various analytical techniques. The synthesized nanocomposite demonstrated enhanced photocatalytic efficiency in degrading industrial dyes, specifically Methyl Orange (MO) and Methylene Blue (MB), under sunlight irradiation. The introduction of MoS<sub>2</sub> and NiO into the g-C<sub>3</sub>N<sub>4</sub> framework significantly improved the material’s light absorption, charge separation, and reactive oxygen species generation capabilities. The nanocomposite demonstrated remarkable efficiency, achieving over 94% degradation of MB within 70&#xa0;min. It exhibited pseudo-first-order reaction kinetics and a bandgap energy of 2.54&#xa0;eV, underscoring its effectiveness for photocatalytic applications under visible light. Morphological analysis confirmed a nanosheet structure with excellent stability and high surface area, which further contributed to its superior photocatalytic performance. The results indicate that the g-C<sub>3</sub>N<sub>4</sub>/MoS<sub>2</sub>/NiO ternary composite is an effective candidate compared to the previously synthesized materials for environmental cleanup, particularly in the efficient removal of dyes from wastewater.</p>

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Construction of g-C3N4/MoS2/NiO Ternary Heterojunction for Visible-Light Photocatalytic Degradation of Organic Dyes

  • 期刊论文

  • 发表日期：

    2026年1月5日

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  • M. Sekar,
  • J. Vinoth Kumar,
  • P. Saravanan,
  • L. Arul Pragasan,
  • S. Bharathi Bernadsha,
  • K. Saravanan,
  • S. Sachin,
  • S. John Sundaram,
  • Thiruthuvadevaraj Antony Sandosh,
  • Krishna Prakash Arunachalam

摘要

Ternary composite, g-C3N4/MoS2/NiO, was synthesized using a cost-effective hydrothermal method and thoroughly characterized through various analytical techniques. The synthesized nanocomposite demonstrated enhanced photocatalytic efficiency in degrading industrial dyes, specifically Methyl Orange (MO) and Methylene Blue (MB), under sunlight irradiation. The introduction of MoS2 and NiO into the g-C3N4 framework significantly improved the material’s light absorption, charge separation, and reactive oxygen species generation capabilities. The nanocomposite demonstrated remarkable efficiency, achieving over 94% degradation of MB within 70 min. It exhibited pseudo-first-order reaction kinetics and a bandgap energy of 2.54 eV, underscoring its effectiveness for photocatalytic applications under visible light. Morphological analysis confirmed a nanosheet structure with excellent stability and high surface area, which further contributed to its superior photocatalytic performance. The results indicate that the g-C3N4/MoS2/NiO ternary composite is an effective candidate compared to the previously synthesized materials for environmental cleanup, particularly in the efficient removal of dyes from wastewater.