Pore Structure of TiO₂- Modified ZrO₂ Particles Prepared by the Glycothermal Method

Abstract:

Titania-modified zirconias with different Ti/Zr ratios were synthesized via thermal treatment of zirconium (IV) tetra-n-propoxide and titanium (IV) tetra-iso-propoxide in 1,4-butanediol at 300 °C. The obtained products were spherical particles composed of nanocrystals with the tetragonal ZrO₂ structure. The products had large specific surface areas, large pore volumes, and relatively narrow pore size distributions in the mesopore region. After calcination at high temperatures, the obtained TiO₂-modified ZrO₂ samples preserved large surface areas and pore structure. Having these superior thermal stability and pore structure, the obtained TiO₂-modified ZrO₂ particles are expected to show high performance as catalytic materials.

• Periodical: Advanced Engineering Forum (Volume 38)
• Pages: 17-22
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.38.17
• Online since: November 2020
• Authors: Fuya Sugiyama, Shunsuke Hayashi, Shinji Iwamoto*
• Keywords: Glycothermal Method, Pore Structure, TiO₂- Modified ZrO₂

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