Size-controlled hydrothermal synthesis of monodispersed BaZrO3 sphere particles by seeding

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Monodispersed barium zirconate (BaZrO3) fine particles with a spherical shape have been synthesized by hydrothermal reactions using barium hydroxide and a Zr-triethanolamine (TEOA) complex. The particle mean diameter was gradually controlled in a range from 0.20 μm to 3.5 μm by change in the added amount of seed nanoparticles. The mechanistic characterization of the seed-mediated BaZrO3 sphere synthesis revealed that the particle growth obeyed a simple seed growth mechanism. In the present system, utilization of the Zr-TEOA complex played an important rule to prevent uncontrollable nucleation to form the uniform BaZrO3 fine particles with narrow size distributions.

Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalAdvanced Powder Technology
Issue number1
Publication statusPublished - 2017 Jan 1


  • BaZrO
  • Monodispersed particle
  • Seeding
  • Size control


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