Thiophene-thiazolothiazole copolymers: significant impact of side chain composition on backbone orientation and solar cell performances.

Osaka, Itaru; Saito, Masahiko; Koganezawa, Tomoyuki; Takimiya, Kazuo · Adv Mater · 2014

basic_science · Level V

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Abstract

The backbone orientation in the thiophene-thiazolothiazole (TzTz) copolymer system can be altered by tuning of the alky side chain composition. We highlight that the orientation significantly impact their solar cell efficiency in particular when using thicker active layers.

Medical subject headings