Scholarlink

<p>In this study, Ce-doped NiO/g-C₃N₄ heterostructures were successfully synthesized via a facile chemical precipitation method. X-ray diffraction (XRD) analysis confirmed the effective incorporation of Ce and g-C₃N₄ into the hexagonal structure of NiO. Field emission scanning electron microscopy (FESEM) images revealed uniformly distributed nanoparticles with an average size in the nanometer range. The photocatalytic degradation performance of the synthesized nanocomposites was investigated against Methylene Blue (MB), Eosin Yellow (EY), and Rhodamine B (RhB), under UV light irradiation. The results demonstrated that Ce-doped NiO/g-C₃N₄ nanocomposites exhibited superior photocatalytic activity compared to pristine NiO. The optimized Ce/NiO/g-C₃N₄ nanocomposite achieved degradation efficiencies of 95.69% for MB, 99.6% for EY, and 91.88% for RhB. The enhanced performance is attributed to the unique properties of g-C₃N₄ in the composite, particularly its excellent electron-accepting and transport abilities, which effectively suppress the recombination of photo-induced charge carriers. Parametric studies were conducted to evaluate the effects of initial dye concentration, solution pH, and catalyst dosage on degradation efficiency. Kinetic analysis confirmed that the photocatalytic process followed pseudo-first-order kinetics. Additionally, the influence of electrolytes on photocatalytic performance was investigated. Reusability tests indicated that the catalyst maintained its efficiency even after three successive cycles, demonstrating excellent stability. These results suggest that the synthesized Ce/NiO/g-C₃N₄ nanocomposite is a promising candidate for efficient wastewater treatment applications.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

A novel Ce doped NiO/g-C3N4 nanocomposites and their photocatalytic application against industrial pollutants

  • 期刊论文

  • 发表日期：

    2025年5月29日

查看全文
  • S. Rajasekaran,
  • S. Mahalakshmi,
  • T. Maruthavanan,
  • P. Sivakumar,
  • J. Sivapriya

摘要

In this study, Ce-doped NiO/g-C₃N₄ heterostructures were successfully synthesized via a facile chemical precipitation method. X-ray diffraction (XRD) analysis confirmed the effective incorporation of Ce and g-C₃N₄ into the hexagonal structure of NiO. Field emission scanning electron microscopy (FESEM) images revealed uniformly distributed nanoparticles with an average size in the nanometer range. The photocatalytic degradation performance of the synthesized nanocomposites was investigated against Methylene Blue (MB), Eosin Yellow (EY), and Rhodamine B (RhB), under UV light irradiation. The results demonstrated that Ce-doped NiO/g-C₃N₄ nanocomposites exhibited superior photocatalytic activity compared to pristine NiO. The optimized Ce/NiO/g-C₃N₄ nanocomposite achieved degradation efficiencies of 95.69% for MB, 99.6% for EY, and 91.88% for RhB. The enhanced performance is attributed to the unique properties of g-C₃N₄ in the composite, particularly its excellent electron-accepting and transport abilities, which effectively suppress the recombination of photo-induced charge carriers. Parametric studies were conducted to evaluate the effects of initial dye concentration, solution pH, and catalyst dosage on degradation efficiency. Kinetic analysis confirmed that the photocatalytic process followed pseudo-first-order kinetics. Additionally, the influence of electrolytes on photocatalytic performance was investigated. Reusability tests indicated that the catalyst maintained its efficiency even after three successive cycles, demonstrating excellent stability. These results suggest that the synthesized Ce/NiO/g-C₃N₄ nanocomposite is a promising candidate for efficient wastewater treatment applications.