Organic-ligand-assisted supercritical hydrothermal synthesis of titanium oxide nanocrystals leading to perfectly dispersed titanium oxide nanoparticle in organic phase

Tahereh Mousavand, Jing Zhang, Satoshi Ohara, Mitsuo Umetsu, Takashi Naka, Tadafumi Adschiri

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Titanium oxide (TiO2) nanocyrstals which are perfectly dispersed in organic solvents are synthesized by organic-ligand-assisted supercritical hydrothermal synthesis. The addition of hexaldehyde to the supercritical hydrothermal synthesis of TiO2 leads to the in-situ surface modification, which enables the synthsized TiO2 nanocrystals to be perfectly dispersed in iso-octane because of its hydrophobic nature. Further, the one-pot synthesis of hybrid materials results in the significant reduction of the particles size, probably due to the capping effect of hexaldehyde to suppress the particles growth.

Original languageEnglish
Pages (from-to)1067-1071
Number of pages5
JournalJournal of Nanoparticle Research
Volume9
Issue number6
DOIs
Publication statusPublished - 2007 Dec

Keywords

  • Dispersion
  • Metal oxide
  • Mixing
  • Nanoparticle
  • Supercritical hydrothermal synthesis

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Modelling and Simulation
  • Materials Science(all)
  • Condensed Matter Physics

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