Photoelectric Measurements during Corrosion and Inhibition of Copper in Aqueous Solutions
Author:
- 1 July 1977
- journal article
- research article
- Published by Wiley in Berichte der Bunsengesellschaft für physikalische Chemie
- Vol. 81 (7) , 645-648
Abstract
Copper electrodes were investigated in pure NaOH and halide solutions as well as in the presence of organic inhibitors using photocurrent, photopotential and modulated reflectivity measurements. The composition and the degree of oxidation of the surface layers were found to be dependent on the electrolyte composition and electrode potential. Optimum inhibiting efficiency was obtained when a p‐type semiconducting surface layer, in connection with slow kinetics, was formed. It is presumed that this statement is also valid for other systems.Keywords
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