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Novel technique for large scale production of spherical tungsten oxide nanoparticles

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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.

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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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Correspondence to S. Pal.

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Pal, S., Jacob, C. Novel technique for large scale production of spherical tungsten oxide nanoparticles. J Mater Sci 41, 5429–5432 (2006). https://doi.org/10.1007/s10853-006-0270-x

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  • DOI: https://doi.org/10.1007/s10853-006-0270-x

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