Fabrication and photocatalytic properties of self-assembled in(OH) 3 and In2O3 nano/micro-cubes

M. Muruganandham, Mika E.T. Sillanpää, Rominder P.S. Suri, Gang Juan Lee, J. J. Wu, Bashir Ahmad, Yasushige Kuroda

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This article reports a novel fabrication method for In(OH)3 from indium oxalate by hydrothermal process. Hydrothermal decomposition of indium oxalate at 180 °C for 10 h results in In(OH)3. The influence of hydrothermal experimental conditions such as temperature, time on the formation of indium hydroxide was investigated. The self-assembly process was strongly influenced the experimental conditions. The thermal decomposition of In(OH) 3 at 400 °C results In2O3. The synthesized In(OH)3 and In2O3 were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), high resolution transmission electron microscopy (HR-TEM), thermal analysis (TGA and DTA), diffuse reflectance spectra (DRS), and nitrogen adsorption analysis. The XRD patterns indicated the formation of well crystallized cubic phase In(OH)3 and In2O3. The FE-SEM results indicated formation of In(OH)3 and porous In2O3 nano/micro-cubes. The photocatalytic activity of the synthesized In(OH) 3 was studied under UV light irradiation and results showed that the In(OH)3 photocatalyst was efficient for dye degradation. We proposed a plausible mechanism for the formation of In(OH)3, and In 2O3 self-assembly.

Original languageEnglish
Pages (from-to)1639-1648
Number of pages10
JournalJournal of Nanoscience and Nanotechnology
Volume13
Issue number3
DOIs
Publication statusPublished - Mar 2013
Externally publishedYes

Keywords

  • Hydrothermal decomposition
  • In(OH)
  • InO
  • Indium Oxalate
  • Self-assembly

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • Biomedical Engineering
  • General Materials Science
  • Condensed Matter Physics

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