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Interrelation between Crystal Packing and Small-Molecule Organic Solar Cell Performance


  • Dedicated to Prof. Klaus Müllen (Max-Planck-Institut für Polymerforschung, Mainz), one of the outstanding pioneers in molecular and organic electronics, on the occasion of his 65th birthday


X-ray investigations on single crystals of a series of terminally dicyanovinyl-substituted quaterthiophenes and co-evaporated blend layers with C60 give insight into molecular packing behavior and morphology, which are crucial parameters in the field of organic electronics. Structural characteristics on various levels and length scales are correlated with the photovoltaic performance of bulk heterojunction small-molecule organic solar cells.

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