Highly Photoactive Titanium Dioxide Supported Platinum Catalyst: Synthesis Using Cleaner Ultrasound Approach

This study aims to synthesise anatase phase Pt-doped TiO2 NPs with a particle size less than 20 nm using an ultrasound approach

Shital B. Potdar; Chao-Ming Huang; BVS Praveen; Sivakumar Manickam; Shirish H. Sonawane

2022

Scholarcy highlights

  • Photocatalysis is a technique that harnesses the available abundant solar energy; in it, a photon drives a chemical reaction in the presence of a catalyst
  • This study aims to synthesise anatase phase Pt-doped TiO2 NPs with a particle size less than 20 nm using an ultrasound approach
  • The UV Visible spectroscopy analysis was performed to study the optical properties of the synthesised TiO2 and Pt/TiO2 photocatalysts
  • A photoactive TiO2 catalyst was synthesised with an ultrasound approach to improve the photocatalytic performance of TiO2, and it was doped with a noble metal Pt
  • The nanoscale synthesis is attributed to the intense shear effect arising from ultrasound cavitation
  • The enhancement in the surface properties of TiO2 due to the addition of Pt was evaluated in terms of an increase in the surface area of the synthesised photocatalyst
  • The ultrasound approach can be considered greener and more energy-efficient for synthesising highly active photocatalysts

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