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Journal of Materials Science

, Volume 42, Issue 22, pp 9421–9428 | Cite as

Characterization of Zr-doped TiO2 prepared by homogenous co-precipitation without high-temperature treatment

  • Jozef LukáčEmail author
  • Mariana Klementová
  • Petr Bezdička
  • Snejana Bakardjieva
  • Jan Šubrt
  • Lórant Szatmáry
  • Anna Grusková
Article

Abstract

Zr-doped TiO2 (anatase) was prepared by the homogenous co-precipitation method of the aqueous solutions containing TiOSO4 and ZrCl4 using urea as the precipitation agent. Nanocrystallites of Zr-doped TiO2, 6–9 nm in size, intergrown with amorphous phase form 1–2 μm porous spherical clusters. Crystallite size of anatase decreases with increasing Zr content, and the catalyst becomes totally amorphous at 10 mol.% Zr. All samples exhibit high specific surface area, which increases with the addition of zirconium (from 391.3 to 689.1 m2 g−1).

Keywords

ZrCl4 ZrOCl2 TiOSO4 Irregular Cluster Amorphous Phase Form 

Notes

Acknowledgments

This work was supported by the Academy of Sciences of the Czech Republic (Project No. AV OZ 40320502) and by the Ministry of Education of the Czech Republic (Project No. 1M4531477201).

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Jozef Lukáč
    • 1
    Email author
  • Mariana Klementová
    • 1
  • Petr Bezdička
    • 1
  • Snejana Bakardjieva
    • 1
  • Jan Šubrt
    • 1
  • Lórant Szatmáry
    • 1
  • Anna Grusková
    • 2
  1. 1.Institute of Inorganic Chemistry of the ASCR, v.v.i.Husinec-RezCzech Republic
  2. 2.Department of Electrotechnology, Faculty of Electrical Engineering and Information TechnologySlovak University of TechnologyBratislavaSlovak Republic

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