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Unraveling the chromophoric disorder of poly(3-hexylthiophene)

URN to cite this document:
urn:nbn:de:bvb:355-epub-308106
Thiessen, Alexander ; Vogelsang, Jan ; Adachi, Takuji ; Steiner, Florian ; Vanden Bout, David ; Lupton, John M.
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Date of publication of this fulltext: 08 Oct 2014 11:21


Abstract

The spectral breadth of conjugated polymers gives these materials a clear advantage over other molecular compounds for organic photovoltaic applications and is a key factor in recent efficiencies topping 10%. However, why do excitonic transitions, which are inherently narrow, lead to absorption over such a broad range of wavelengths in the first place? Using single-molecule spectroscopy, we ...

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