Preparation of monodispersed tin-doped indium oxide nanopowders under moderate conditions

Hua Rui Xu, Gui Sheng Zhu, Huai Ying Zhou, Ai Bing Yu

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Monodispersed tin-doped indium oxide (ITO) powder with 70±10 nm particle size was prepared by a hydrothermal process at only 240 °C for 12 h, and post-calcination process at 500 °C, using NaOH as raw material. Characterization via X-ray diffractometry, scanning electron microscopy, laser particle sizer and Brunauer-Emmert-Teller analysis confirmed that the as-prepared powder was relatively monodispersed. Compared to the hydrothermal process with ammonia as raw material, the present process has an advantage that ITO powders can be synthesized at a lower temperature and pressure, and hence is safer in commercialization.

Original languageEnglish
Pages (from-to)19-21
Number of pages3
JournalMaterials Letters
Issue number1
Publication statusPublished - 1 Jan 2005
Externally publishedYes


  • Hydrothermal process
  • ITO powders
  • Moderate conditions

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