Beilstein J. Org. Chem.2016,12, 1629–1637, doi:10.3762/bjoc.12.160
performance is presumably attributed to the limited solubility of the PTzBDT-1 in organic solvents resulting in enhanced aggregation and poor intermixing with the acceptor material in the active layer.
Keywords: alkyl side chains; benzodithiophene; bulk heterojunction solar cells; 2Dconjugatedpolymers
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Graphical Abstract
Scheme 1:
Stille cross coupling reaction for the synthesis of PTzBDT-1 and PTzBDT-2.