Synthesis of ZrO2 and TiO2 nanocrystalline powders by hydrothermal process

Yu V. Kolen'ko, V. D. Maximov, A. A. Burukhin, V. A. Muhanov, B. R. Churagulov

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42 Citations (Scopus)

Abstract

In present work, nanocrystalline zirconia and titania were synthesized by hydrothermal treatment of zirconyl ZrO(NO3)2 and titanyl TiO(NO3)2 nitrates aqueous solutions and amorphous gels of the corresponding hydroxides. The hydrothermal synthesis was performed in a wide range of temperatures (150-250 °C), concentration of starting solutions (0.25-0.5 M) and duration of the process (from 10 min to up to 24 h). The hydrothermal treatment at high pressure about 2.0-4.0 GPa was also carried out. The products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM) and BET. Particle sizes, morphology and properties of the products were investigated. The influence of hydrothermal synthesis conditions on ZrO2 and TiO2 phase compositions were established.

Original languageEnglish
Pages (from-to)1033-1038
Number of pages6
JournalMaterials Science and Engineering C
Volume23
Issue number6-8
DOIs
Publication statusPublished - 15 Dec 2003
Externally publishedYes

Keywords

  • High pressure
  • High-temperature hydrolysis
  • Hydrothermal synthesis
  • Nanocrystalline titania
  • Nanocrystalline zirconia
  • Phase composition

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