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<p>Copper doped silica (Cu doped SiO<sub>2</sub>) nanocrystals was synthesized by one phase essential, practical, cost effective and quick precipitation strategy using sodium silicate (Na<sub>2</sub>SiO<sub>3</sub>) where copper sulfate (CuSO<sub>4</sub>.5H<sub>2</sub>O) as precursors and acetic acid (CH<sub>3</sub>COOH) as a catalyst. The boundaries tried in this analysis are the impact of sintering temperature via microwave oven and the properties of the synthesized Cu doped SiO<sub>2</sub> nanocrystals. The motivation behind this study was to acquire a crystalline Cu doped SiO<sub>2</sub> material, which is in nano-sized dimension. The characterisation was performed by utilizing X-ray diffraction (XRD), Fourier transmission infrared (FTIR), scanning electron microscopy-energy dispersive spectrometer (SEM-EDS), UV-visible spectroscopy and TG-DSC. Furthermore, the photocatalytic activities of the synthesized nanocrystal were investigated as photocatalyst against methylene blue (MB) dye under UV irradiation.</p> Graphical Abstract <p></p>

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Photocatalytic degradation of methylene blue dye using fabricated Cu doped SiO2 nanocrystals by sol-gel method

  • 期刊论文

  • 发表日期：

    2025年3月28日

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  • S. Venkateshwari,
  • S. Sandhiya

摘要

Copper doped silica (Cu doped SiO2) nanocrystals was synthesized by one phase essential, practical, cost effective and quick precipitation strategy using sodium silicate (Na2SiO3) where copper sulfate (CuSO4.5H2O) as precursors and acetic acid (CH3COOH) as a catalyst. The boundaries tried in this analysis are the impact of sintering temperature via microwave oven and the properties of the synthesized Cu doped SiO2 nanocrystals. The motivation behind this study was to acquire a crystalline Cu doped SiO2 material, which is in nano-sized dimension. The characterisation was performed by utilizing X-ray diffraction (XRD), Fourier transmission infrared (FTIR), scanning electron microscopy-energy dispersive spectrometer (SEM-EDS), UV-visible spectroscopy and TG-DSC. Furthermore, the photocatalytic activities of the synthesized nanocrystal were investigated as photocatalyst against methylene blue (MB) dye under UV irradiation.

Graphical Abstract