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Felix Deschler, Antonietta De Sio, Elizabeth von Hauff, Peter Kutka, Tobias Sauermann, Hans-J. Egelhaaf, Jens Hauch and Enrico Da Como The Effect of Ageing on Exciton Dynamics, Charge Separation, and Recombination in P3HT/PCBM Photovoltaic Blends Advanced Functional Materials 22

Version of Record online: 30 JAN 2012 | DOI: 10.1002/adfm.201101923

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The impact of light-induced degradation on the exciton and charge separation dynamics in the active layer of poly(3- hexylthiophene)/[6,6]-phenyl C61-butyric acid methyl ester (P3HT/PCBM) organic solar cells is studied using optical pump-probe spectroscopy. The losses in excitons and polarons are quantified and compared to the degradation of solar cell performances in which the active layer has been selectively aged.

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