Research Article
Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers
Table 3
Photovoltaic characteristics of best devices prepared from P1–P3 and PC61BM at a polymer.
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