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Catalytic Electrolysis-Free Copper Deposition Using Dispersions of Titanium Dioxide with Adsorbed Trespassing Metal Ions

Kobasa I.

Polish Journal of Chemistry

2004

Vol. 78 / nr 1

117-123

It has been found that modification of TiO2 by impregnation with Pd2+, Cu2+, Fe2+, Fe3+ and Co2+ salts causes a significant rise of its catalytic activity in the reaction of metal copper deposition. Influence of nature of modifying cation, its concentration, counter-anion concentration and the effect of double modification by two different salts have also been investigated. Comparison of energetic characteristics of all intermediate compounds led us to a possible model of catalytic deposition of copper, explaining the increased catalytic activity of the modified examples.