Determination of the electron lifetime in nanocrystalline dye solar cells by open-circuit voltage decay measurements

Arie Zaban, Miri Greenshtein, Juan Bisquert

Research output: Contribution to journalArticlepeer-review

1178 Scopus citations

Abstract

Fate of electrons: Kinetic measurements of open-circuit voltage decay in nanocrystalline TiO2 dye-sensitized solar cells reveal major features of the electron lifetime and recombination mechanisms in these solar cells. The lifetime dependence on the photovoltage is exponential in broad terms (see picture), ranging from three decades to 20 ms to 20 s, when the photovoltage decreases by about 0.6 V.

Original languageEnglish
Pages (from-to)859-864
Number of pages6
JournalChemPhysChem
Volume4
Issue number8
DOIs
StatePublished - 18 Aug 2003

Keywords

  • Charge transfer
  • Nanostructures
  • Semiconductors
  • Solar cells

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