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This study focuses on comparing the photocatalytic propertiesPhotocatalytic properties of titanium dioxideTitanium dioxide materials with different morphologies and phase compositionsPhase composition under the same conditions. Materials 1–5 were synthesized using various technologies such as sol-gel, sonochemical, and hydrothermal. X-ray diffraction and transmission electron microscopy showed that the materials are nanosized and, depending on the synthesis conditions, have different morphology (spheres, ellipsoids, hollow tubes) and phase composition (pure anatase or a mixture of anatase and rutile). The best photocatalytic propertiesPhotocatalytic properties are shown for ellipsoidal nanoparticlesNanoparticle (10×20 nm2) obtained using hydrothermal treatment in a neutral environment.

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The Role of Titanium Dioxide Morphology and Phase Composition in the Photocatalytic Properties

  • 会议论文

  • 发表日期：

    2025年

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  • Ekaterina Bayan,
  • Maria Volkova,
  • Victor Chernyshev

摘要

This study focuses on comparing the photocatalytic propertiesPhotocatalytic properties of titanium dioxideTitanium dioxide materials with different morphologies and phase compositionsPhase composition under the same conditions. Materials 1–5 were synthesized using various technologies such as sol-gel, sonochemical, and hydrothermal. X-ray diffraction and transmission electron microscopy showed that the materials are nanosized and, depending on the synthesis conditions, have different morphology (spheres, ellipsoids, hollow tubes) and phase composition (pure anatase or a mixture of anatase and rutile). The best photocatalytic propertiesPhotocatalytic properties are shown for ellipsoidal nanoparticlesNanoparticle (10×20 nm2) obtained using hydrothermal treatment in a neutral environment.