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Soft X-ray spectro-microscopy of polymer solar cells

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Solar cells based on thin blend films of conjugated polymers and/or fullerene derivatives are a promising alternative to the currently available silicon-based solar cells. However, these systems tend to display complex segregation of the organic components during film formation and the fundamental details of the relationship between the morphology of conjugated polymer blend films and their performance in photovoltaic devices is still not clear.

In this talk, I’ll present our experimental efforts to map out the morphology and photovoltaic performance of solar cell devices based on segregated PFB :F8BT blend films, utilising both conventional scanning transmission soft X-ray spectromicroscopy (STXM) and our novel extension to STXM , Soft X-ray Beam Induced Current (SoXBIC).

This talk is part of the Optoelectronics Group series.

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