April 15, 2010
View Full PaperEfficient Polymer Solar Cells Based on the Copolymers of Benzodithiophene and Thienopyrroledione
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Abstract
A low band gap polymer based on the copolymerization between benzodithiophene and thieno-pyrroledione units has been investigated in both conventional and inverted polymer bulk-heterojunction photovoltaic cells. High power conversion efficiencies of more than 4% in both device structures were demonstrated.