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<p>In the current research work, Copper doped ZnO (Zn<sub>1-x</sub>Cu<sub>x</sub>O) nanorods photocatalyst was established using a simple modified sol-gel protocol. The shape of the nanomaterial was found to be crucial for both optical response and photocatalytic activity. However, the nanorods present a 2D direction which exalts the intrinsic properties of the photocatalyst. Triethyleneglycol (TREG) was used as a solvent which is believed to be the responsible parameter that leads to preparing Cu/ZnO with this important shape. The photocatalyst after that was characterized in terms of structure, microstructure and optical absorption. The optical behavior of Cu/ZnO photocatalyst was more studied by dielectric conductivity and impedance investigation. The XRD measurements reveal the formation of ZnO wurtzite structures. Electronic microscopy images confirm the formation of the desired nanorods with nanometric size. The photodegradation activity of the Cu/ZnO photocatalyst exhibits high performance compared to pristine ZnO. The mechanism of this behavior was discussed and improved compared to previous works.</p> Graphical Abstract <p></p>

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Structural, optical, and dielectric properties of copper-doped ZnO nanorods prepared by modified sol-gel process

  • 期刊论文

  • 发表日期：

    2025年3月8日

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  • Zaineb Hammami,
  • Aymen Selmi,
  • Alaa Eddine Maayoufi,
  • Tariq Altalhi,
  • Soufiane Touil,
  • Amine Mezni

摘要

In the current research work, Copper doped ZnO (Zn1-xCuxO) nanorods photocatalyst was established using a simple modified sol-gel protocol. The shape of the nanomaterial was found to be crucial for both optical response and photocatalytic activity. However, the nanorods present a 2D direction which exalts the intrinsic properties of the photocatalyst. Triethyleneglycol (TREG) was used as a solvent which is believed to be the responsible parameter that leads to preparing Cu/ZnO with this important shape. The photocatalyst after that was characterized in terms of structure, microstructure and optical absorption. The optical behavior of Cu/ZnO photocatalyst was more studied by dielectric conductivity and impedance investigation. The XRD measurements reveal the formation of ZnO wurtzite structures. Electronic microscopy images confirm the formation of the desired nanorods with nanometric size. The photodegradation activity of the Cu/ZnO photocatalyst exhibits high performance compared to pristine ZnO. The mechanism of this behavior was discussed and improved compared to previous works.

Graphical Abstract