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Electron accumulation in nanostructured TiO2 (anatase) electrodes
2000 (English)In: Journal of the Electrochemical Society, ISSN 0013-4651, E-ISSN 1945-7111, Vol. 147, no 3, 1117-1123 p.Article in journal (Refereed) Published
Abstract [en]

The potential-dependent optical-absorption spectroscopy of nanostructured TiO2 (anatase) is most fully accounted for by two processes, band-filling and intercalation. Under weak-accumulation conditions, occupation of surface and conduction-band states by electrons dominates with the accumulated charge being compensated by adsorbed protons or cations. Under strong-accumulation conditions, however, intercalation of protons or cations may take place with a fraction of the accumulated electrons being localized at Ti-IV sites.

Place, publisher, year, edition, pages
2000. Vol. 147, no 3, 1117-1123 p.
Keyword [en]
conduction-band electrons, nanocrystalline semiconductor-films, quartz-crystal microbalance, li+ ion insertion, spectroscopic determination, optical electrochemistry, potential distribution, nanoporous films, solar-cells, zno films
Identifiers
URN: urn:nbn:se:kth:diva-19632ISI: 000085912700047OAI: oai:DiVA.org:kth-19632DiVA: diva2:338324
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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