Synthesis and Electrosurface Properties of One- and Two-Component Nanostructures |
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Authors: | N F Bogdanova L E Ermakova P S Chikhachev M P Sidorova D A Aleksandrov I A Savina |
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Institution: | (1) Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, Petrodvorets, St. Petersburg, 198504, Russia |
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Abstract: | One- and two-component (titanium and aluminum oxides) oxide nanostructures are synthesized by molecular layer-by-layer deposition from the gas phase onto silicon oxide and boehmite substrates. Two-component nanostructures are prepared by the consecutive deposition of nanolayers of aluminum and titanium oxides onto a dispersed silica substrate. Electrosurface properties of thus-prepared samples are studied and compared. It is shown that the positions of the isoelectric point and the point of zero charge of a 5TiO2/5Al2O3/SiO2 composite sample are governed by an outer titanium oxide nanolayer and are similar to those of bulk titanium oxide and a nanostructured film of titanium oxide deposited onto an aluminum hydroxide substrate.__________Translated from Kolloidnyi Zhurnal, Vol. 67, No. 4, 2005, pp. 469–474.Original Russian Text Copyright © 2005 by Bogdanova, Ermakova, Chikhachev, Sidorova, Aleksandrov, Savina. |
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