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Role of surface in forming properties of pyrogenic nanocomposites SiO2-Al2O3, SiO2-ТіO2 and Al2O3-SiO2-ТіO2

Surface content of oxides was determined for the systems: SiO2-Al2O3 (SA), SiO2-ТіO2 (ST) and Al2O3-SiO2-ТіO2 (AST). Nonlinear changes in the surface content of oxides were shown to occur for all the systems. The differences in the surface structure of AST in comparison with SA and ST samples are du...

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Bibliographic Details
Date:2006
Main Authors: Gorbik, P. P., Gun'ko, V. M., Zarko, V. I., Mischuk, O. A., Spivak, O. A., Goncharuk, E. V., Andriyko, L. S., Gerashchenko, I. I., Chuiko, A. A.
Format: Article
Language:Russian
Published: Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine 2006
Online Access:https://surfacezbir.com.ua/index.php/surface/article/view/190
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Journal Title:Surface
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Summary:Surface content of oxides was determined for the systems: SiO2-Al2O3 (SA), SiO2-ТіO2 (ST) and Al2O3-SiO2-ТіO2 (AST). Nonlinear changes in the surface content of oxides were shown to occur for all the systems. The differences in the surface structure of AST in comparison with SA and ST samples are due to the strong effect of the surface alumina content on the composition and the structure of the surface layer of AST. Nonlinear changes in the surface content of alumina and titania lead to corresponding changes in the adsorption capability and bio – activity of nanooxides.

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