Publicação: NiTiO3 nanoparticles encapsulated with SiO2 prepared by sol-gel method
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Springer
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Resumo
NiTiO3 (NTO) nanoparticles encapsulated with SiO2 were prepared by the sol-gel method resulting on core-shell structure. Changes on isoelectric point as a function of silica were evaluated by means of zeta potential. The NTO nanoparticles heat treated at 600 degrees C were characterized by X-ray diffraction, transmission electron microscopy (TEM) and energy dispersive X-ray analysis. TEM observations showed that the mean size of NTO is in the range of 2.5-42.5 nm while the thickness of SiO2 shell attained 1.5-3.5 nm approximately.
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nanoparticles, coating, sol-gel method, NiTiO3, silica
Idioma
Inglês
Como citar
Journal of Sol-gel Science and Technology. Dordrecht: Springer, v. 45, n. 2, p. 151-155, 2008.
