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Surface characterisation of anodic films of Pb-Sn alloy electrodes: The effect of Sn on the photoelectrochemical properties
, , Sharon M., Veluchamy P., Minoura H.
Published in Elsevier BV
Volume: 49
Issue: 2
Pages: 169 - 173
Oxide thin films of Pb-Sn alloy electrodes were synthesised by potentiodynamic anodisation in hot alkaline solution of sodium sulfate. Films were characterised by various analytical techniques: XRD, SEM, Raman spectroscopy and XPS. The XRD and Raman investigations reveal that the increase in concentration of Sn in the alloy suppresses the formation of the photoactive phase α-PbO but it increases the formation of the conducting phase, α-PbO2. XPS results indicate the presence of both divalent and tetravalent Pb as well as tetravalent Sn on these films. It also gives evidence for the decrease in α-PbO content upon anodisation of the alloy Pb-Sn electrodes.
About the journal
JournalData powered by TypesetMaterials Chemistry and Physics
PublisherData powered by TypesetElsevier BV
Open AccessNo