Surface-controlled photoelectrochemical microscopy of thin metal oxide films

C. S. McMillan, J. P.H. Sukamto, William H Smyrl

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Photoelectrochemical measurements on thin anodic TiO2 films on Ti are presented and discussed. In particular, it is shown that the photoresponse is dominated by recombination processes at the metal oxide/electrolyte interface. The control by surface effects at the metal oxide/electrolyte interface is demonstrated by a new technique, in which the surface photoresponse is enhanced relative to that of the bulk film. Comparison of experimental results and analytical models shows that the Wilson model provides the basis for the physical description and future work.

Original languageEnglish (US)
Pages (from-to)63-75
Number of pages13
JournalFaraday Discussions
StatePublished - 1992


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