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Björn Gieseking, Berthold Jäck, Eduard Preis, Stefan Jung, Michael Forster, Ullrich Scherf, Carsten Deibel and Vladimir Dyakonov Excitation Dynamics in Low Band Gap Donor–Acceptor Copolymers and Blends Advanced Energy Materials 2

Version of Record online: 16 JUL 2012 | DOI: 10.1002/aenm.201200304

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The excitation dynamics in donor-acceptor copolymer PCDTBT are analyzed using comparative absorption and PL measurements of the polymer and its building blocks as well as a time-resolved PL study of neat copolymer and blend films. The results indicate that the effective coupling between copolymer building blocks governs the photovoltaic performance of the blends.

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