Morphology control of rutile nanoparticles in a hydrothermal synthesis from water-soluble titanium complex aqueous solution

Makoto Kobayashi, Valery Petrykin, Masato Kakihana, Koji Tomita

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Single phase rutile was synthesized by a simple hydrothermal treatment of an aqueous titanium glycolate complex solution at 200°C for 24 h. The obtained sample was composed of 50 × 150 nm rod-like nanoparticles. The aspect ratio of the prepared particles could be controlled by adding glycolic acid or lactic acid to reaction solution. Up to 30 × 2000 nm whisker-like particles could be obtained. The hydroxycarboxylic acids favor development of specific crystal facets and allow to control the aspect ratio of the rutile nanoparticles. We also proposed a model, which explains formation of anatase and rutile, and disappearance of anatase particles during rutile crystals development.

Original languageEnglish
Pages (from-to)835-839
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume115
Issue number1348
DOIs
Publication statusPublished - 2007 Dec

Keywords

  • Hydrothermal treatment
  • Morphology control
  • Nanoparticles
  • Rutile-type titanium oxide
  • Water-soluble titanium complex

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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