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Publication Detail
Dynamics of photogenerated holes in nanocrystalline alpha-Fe2O3 electrodes for water oxidation probed by transient absorption spectroscopy
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Pendlebury SR, Barroso M, Cowan AJ, Sivula K, Tang JW, Gratzel M, Klug D, Durrant JR
  • Publication date:
    02/2011
  • Pagination:
    716, 718
  • Journal:
    Chemical Communications
  • Volume:
    47
  • Issue:
    2
  • Print ISSN:
    1359-7345
  • Keywords:
    CARRIER DYNAMICS, SOLAR-CELLS, PHOTO, FILMS
  • Author URL:
  • Notes:
    Times Cited: 32 ROYAL SOC CHEMISTRY THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND CAMBRIDGE Article 694LT English Cited References Count: 21 Barroso, M Univ London Imperial Coll Sci Technol & Med, Dept Chem, Exhibit Rd, London SW7 2AZ, England
Abstract
Transient absorption spectroscopy on the mu s-s time scale is used to monitor the yield and decay dynamics of photogenerated holes in nanocrystalline hematite photoanodes. In the absence of a positive applied bias, these holes are observed to undergo rapid electron-hole recombination. The application of a positive bias results in the generation of long-lived (3 +/- 1 s lifetime) photoholes
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