A photoelectrochemical study of the anodic oxidation of lead in alkaline solution |
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| Authors: | JS Buchanan NP Freestone LM Peter |
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| Institution: | Department of Chemistry, The University, Southampton SO9 5NH Great Britain |
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| Abstract: | The oxidation of lead in sodium tetraborate and in sulphuric acid solution has been studied. The analysis of photocurrent spectra has shown that tetragonal PbO is formed in both electrolytes. Evidence for photoemission from the metal substrate into the anodic oxide film is presented and discussed. The photocurrent behaviour is related to changes in electrode impedance which accompany the interconvertion of PbO and PbO2. |
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