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Effect of deposition conditions on the formation of silica-silicate thin films |
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| Authors: | Robert P. Socha Nicolas Pommier |
| Affiliation: | a Polish Academy of Sciences, Institute of Catalysis and Surface Chemistry, Niezapominajek 8, 30-239 Krakow, Poland b Coventya SAS, 51 rue Pierre, 92588 Clichy, France c Katholieke Universiteit Leuven, Department of Metallurgy and Materials Engineering, Kasteelpark Arenberg 44, BE-3001 Heverlee, Belgium |
| Abstract: | The deposition kinetics of silica-silicate thin films on pure zinc from colloidal silica suspension (sol) was investigated by an in-situ mass gain method. With this method, the influence of sol ageing, temperature, zinc pretreatment and polarization of the zinc substrate on the silica-silicate deposition was described qualitatively. The oxidation/hydroxylation of the zinc surface was found to be important for the silica sol deposition process. Pretreatment of the zinc surface with alcohol solutions significantly increased the amount of deposited sol. |
| Keywords: | 81.20 |
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