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<p>In this study, TiO<sub>2</sub>/SrSnO<sub>3</sub> photocatalysts were fabricated using a electrostatic-ultrasonic method. The optimally proportioned catalyst achieved a hydrogen production efficiency of 505.58&#xa0;μmol&#xa0;(h&#xa0;g), significantly surpassing that of its individual counterparts. Continuous hydrogen evolution experiments and XRD results after photocatalytic reaction demonstrated the material’s excellent stability and consistency. Photoelectrochemical characterization proved that the significantly enhanced separation and transport of photogenerated carriers in the photocatalysts, compared to the single-phase materials, resulted from the electrostatic interaction. The interaction diminished the bandgap and interband transition barrier in the composite. The designed TiO<sub>2</sub>/SrSnO<sub>3</sub> catalyst offered a promising strategy for expanding the application of metal stannate materials in the new energy field.</p>

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Highly Efficient TiO2/SrSnO3 Composite Photocatalysts via Simple Electrostatic-Ultrasonic Assembly for Photocatalytic Water Splitting

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • Hao Liu,
  • Tian Sang,
  • Yan Zhong,
  • Chao-Hao Hu,
  • Dian-Hui Wang,
  • Zhang-Yi Xiong,
  • Shi-Mei Liu,
  • Si-Hao Tian-Wu,
  • Bing-Sen Zeng,
  • Qi Zhang

摘要

In this study, TiO2/SrSnO3 photocatalysts were fabricated using a electrostatic-ultrasonic method. The optimally proportioned catalyst achieved a hydrogen production efficiency of 505.58 μmol (h g), significantly surpassing that of its individual counterparts. Continuous hydrogen evolution experiments and XRD results after photocatalytic reaction demonstrated the material’s excellent stability and consistency. Photoelectrochemical characterization proved that the significantly enhanced separation and transport of photogenerated carriers in the photocatalysts, compared to the single-phase materials, resulted from the electrostatic interaction. The interaction diminished the bandgap and interband transition barrier in the composite. The designed TiO2/SrSnO3 catalyst offered a promising strategy for expanding the application of metal stannate materials in the new energy field.