Experimental determination of the rate law for charge carrier decay in a polythiophene: Fullerene solar cell

C. G. Shuttle, B. O'Regan, A. M. Ballantyne, J. Nelson, D. D C Bradley, J. De Mello, J. R. Durrant

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We use transient photovoltage and differential charging experiments, complemented by transient absorption data, to determine charge carrier lifetimes and densities in a poly(3-hexylthiophene): methanofullerene solar cell at Voc as a function of white light-bias intensity. For a typical device, the charge carrier decay dynamics are observed to exhibit an approximately third order dependence on charge density (dndt n3). © 2008 American Institute of Physics.
Original languageEnglish (US)
JournalApplied Physics Letters
Issue number9
StatePublished - Mar 14 2008
Externally publishedYes

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