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Synthesis and Characterization of Tin Oxide Nanoparticles Heavily Doped with Antimony
Published online by Cambridge University Press: 02 July 2020
Extract
Antimony-doped tin oxide (ATO) materials have many interesting and useful properties for industrial applications. Important uses of ATO include anti-static pigments, catalysts, electrochromic devices, solar cells, gas sensors, etc. Although the electro-optical and the structural properties of ATO materials with low dopant levels have been extensively investigated,the fundamental structural/chemical properties of heavily doped ATO materials have not been well understood. We report here some preliminary results of a systematic study of the structural evolution of tin oxide nanopaiticles heavily doped with antimony.
The ATO powders were prepared by adding a mixture of antimony(V) chloride and tin(IV) chloride to deionised water with concurrent addition of sodium hydroxide. The resulting white precipitates were filtered, washed and dried at room temperature. A series of Sb-doped SnO2 samples was obtained by annealing the precipitates at various temperatures. Samples suitable for high resolution transmission electron microscopy (HRTEM) were prepared by dry-dispersing ATO powders onto holey carbon films.
- Type
- Nanocrystals and Nanocomposites: Novel Structures for Catalysis, Electronics, and Micromechanics
- Information
- Microscopy and Microanalysis , Volume 3 , Issue S2: Proceedings: Microscopy & Microanalysis '97, Microscopy Society of America 55th Annual Meeting, Microbeam Analysis Society 31st Annual Meeting, Histochemical Society 48th Annual Meeting, Cleveland, Ohio, August 10-14, 1997 , August 1997 , pp. 433 - 434
- Copyright
- Copyright © Microscopy Society of America 1997