EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Physics – Condensed Phase, Surfaces and Low Dimensional Systems|
|Published online||13 March 2013|
Ultrafast Charge Separation in Low Band-Gap Polymer Blend for Photovoltaics
1 IFN-CNR, Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci, 32, 20133 Milano, Italy.
2 Center for Nano Science and Technology @Polimi Istituto Italiano di Tecnologia, Via Pascoli 70/3 20133 Milano, Italy.
3 Konarka Technologies GmbH, Landgrabenstrasse 94, 90443 Nürnberg, Germany
We track ultrafast charge dissociation in a particularly promising low-band-gap- polymer:fullerene blend for organic photovoltaics. Impulsive photoexcitation with excess energy leads to a 30-fs formation of an hot charge transfer state, precursor of free carriers.
© Owned by the authors, published by EDP Sciences, 2013
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