Incorporation of sol–gel SnO2:Sb into nanoporous SiO2
✍ Scribed by B. Canut; M.G. Blanchin; S. Ramos-Canut; V. Teodorescu; M. Toulemonde
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 355 KB
- Volume
- 245
- Category
- Article
- ISSN
- 0168-583X
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Nanocrystalline Sb-doped SnO 2 particles were prepared by sol-gel and their particle growth was controlled by niobium oxide. In the present synthesis, SnCl 4 and SbCl 3 , as precursors, were dissolved and hydrolyzed in ethylene glycol at 80±120 C, and further 0.1 mol.-% Nb 2 O 5 through its precurso
SiO2/SnO2 = 80/20 gel samples are prepared from Si(OEt)4 and SnC14 or Sn(OEt)4. Samples doped with Sb oxide contents up to 4% are also studied. The evolution of these samples after treatment from room temperature to 1050°C is studied by n9sn Mrssbauer spectroscopy and X-ray analysis. Results indica