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Scharber, Markus C.; Koppe, Markus; Gao, Jia; Cordella, Fabrizio; Loi, Maria. A.; Denk, Patrick; Morana, Mauro; Egelhaaf, Hans-Joachim; Forberich, Karen; Dennler, Gilles; Gaudiana, Russ; Waller, Dave; Zhu, Zhengguo; Shi, Xiaobo; Brabec, Christoph J.
Advanced materials, January 19, 2010, Letnik: 22, Številka: 3Journal Article
Replacing a carbon atom with silicon (see figure) on the main chain of a conjugated polythiophene gives a polysilole with higher crystallinity, improved charge transport, reduced bimolecular recombination, and reduced formation of charge transfer complexes when blended with a fullerene derivative. Optimized bulk heterojunction solar cells using this blend give certified efficiencies of 5.2% under AM1.5 illumination.
