Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 147, Issue 3, Pages 1117-1123Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.1393322
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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. (C) 2000 The Electrochemical Society. S0013-4651(99)11-019-X. All rights reserved.
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