Abstract
Controllable accumulation of copper(II) oxide in porous glass was carried out by repeated impregnation of the carrier by Cu(NO3)2 aqueous solutions with subsequent thermal decomposition of the salt. The results of measuring electric conductivity of a series of modified plates in combination with the data on the optical and X-ray electron spectroscopy make it possible to characterize two trends in the oxide distribution on a silica surface. In the case of its cyclic accumulation by small portions, a two-dimensional structure of monolayer filling the surface is presumably formed in a narrow range of CuO concentration, whereas the increase in the “step” of the accumulation gives rise to the formation and growth of island oxide particles.
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Original Russian Text © V.N. Pak, D.V. Formus, A.A. Neshin, 2012, published in Zhurnal Obshchei Khimii, 2012, Vol. 82, No. 7, pp. 1089–1093.
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Pak, V.N., Formus, D.V. & Neshin, A.A. Special features of the state of copper(II) oxide and its electric conductivity in porous glass. Russ J Gen Chem 82, 1214–1218 (2012). https://doi.org/10.1134/S1070363212070043
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DOI: https://doi.org/10.1134/S1070363212070043