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<p>Two-dimensional (2D) nanomaterials exhibit unique properties due to their low dimensionality, which has led to great potential of applications. One of the significant advantages of 2D materials is their high surface area, making them perfect for catalytic reactions. Today, 2D nanomaterials are often prepared and exfoliated by a combination of mechanical and manual methods, which makes the production of 2D nanomaterials inefficient and prevents standardized and industrialized manufacturing. In the present work, a modified sol-gel process was achieved to produce highly active Hybrid TiO<sub>2</sub>@ZrO<sub>2</sub> Nanotubes (NTs). The experimental procedure involves the use of Ti (IV) and Zr (IV) metals precursors in 1.3-propandiol solvent without supplementary addition of any reagents, ligands or surfactants. The microstructure behavior and the optical response were studied by relying on different experimental techniques (XRD, TEM and XPS). On the other hand, the photodegradation performance of TiO<sub>2</sub>@ZrO<sub>2</sub> nanotubes was examined against methyl orange molecules to study the effect and the importance of the 2D nanomaterials surface. The preliminary results show that the photocatalytic activity of the TiO<sub>2</sub>@ZrO<sub>2</sub> photocatalyst was boosted considerably. This could be attributed to both TiO<sub>2</sub>/ZrO<sub>2</sub> formed heterojunction and the high surface area exposed by the hybrid TiO<sub>2</sub>@ZrO<sub>2</sub> nanotubes. We expected that this sample chemical procedure would be further used to prepare different 2D systems and facilitate the control of this kind of nanomaterial.</p>

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Facile and original modified Sol-Gel strategy to produce hybrid TiO2@ZrO2 nanotubes with high optical and photocatalytic properties

  • 期刊论文

  • 发表日期：

    2025年9月19日

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  • Anis Fkiri,
  • Mohamed Ali Saidani,
  • Tariq Altalhi,
  • Amine Mezni

摘要

Two-dimensional (2D) nanomaterials exhibit unique properties due to their low dimensionality, which has led to great potential of applications. One of the significant advantages of 2D materials is their high surface area, making them perfect for catalytic reactions. Today, 2D nanomaterials are often prepared and exfoliated by a combination of mechanical and manual methods, which makes the production of 2D nanomaterials inefficient and prevents standardized and industrialized manufacturing. In the present work, a modified sol-gel process was achieved to produce highly active Hybrid TiO2@ZrO2 Nanotubes (NTs). The experimental procedure involves the use of Ti (IV) and Zr (IV) metals precursors in 1.3-propandiol solvent without supplementary addition of any reagents, ligands or surfactants. The microstructure behavior and the optical response were studied by relying on different experimental techniques (XRD, TEM and XPS). On the other hand, the photodegradation performance of TiO2@ZrO2 nanotubes was examined against methyl orange molecules to study the effect and the importance of the 2D nanomaterials surface. The preliminary results show that the photocatalytic activity of the TiO2@ZrO2 photocatalyst was boosted considerably. This could be attributed to both TiO2/ZrO2 formed heterojunction and the high surface area exposed by the hybrid TiO2@ZrO2 nanotubes. We expected that this sample chemical procedure would be further used to prepare different 2D systems and facilitate the control of this kind of nanomaterial.