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Journal of Materials Science

, Volume 41, Issue 17, pp 5429–5432 | Cite as

Novel technique for large scale production of spherical tungsten oxide nanoparticles

  • S. Pal
  • C. Jacob
Article

Abstract

A simple modification in hot filament chemical vapour deposition has been used to control the growth of tungsten oxide nanoparticles on a large scale where the as-deposited material is mostly amorphous in nature with a few nanoparticles. However, upon annealing in air, almost all the material converts into spherical nanoparticles with a low size dispersion as characterized by TEM. X-ray diffraction, XPS and PL were used for structural, compositional and optical analysis.

Keywords

Tungsten Oxide Tungsten Filament Triclinic Phase Tungsten Oxide Nanoparticles Nanostructured Tungsten Oxide 

Notes

Acknowledgement

The authors would like to specially thank Dr. P. V. A Satyam of Institute of Physics, Bhubaneswar, India for his support in TEM analysis.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Materials Science CentreIndian Institute of TechnologyKharagpurIndia

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