Keller, Tina Direct Arylation Polycondensation (DAP) Synthesis of Alternating Quaterthiophene-Benzothiadiazole Copolymers for Organic Solar Cell Applications. [electronic resource] - ChemPlusChem Sep 2019 - 1249-1252 p. digital Publication Type: Journal Article ISSN: 2192-6506 Standard No.: 10.1002/cplu.201900260 doi