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

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 and J. R. Durrant
Applied physics letters, Vol.92(9)
03/03/2008
DOI: https://doi.org/10.1063/1.2891871

Abstract

Physical Sciences Physics Physics, Applied Science & Technology
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 V(oc) 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 (dn/dt proportional to n(3)). (c) 2008 American Institute of Physics.

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