In order to improve the photovoltaic performance of pyrido[3,4-b]pyrazine (PP)-based polymers, a new fluoropyrido[3,4-b]pyrazine based D–A type polymer (BDT-S-fPP) was synthesized. The optical, electrochemical and photovoltaic properties were well investigated.… Click to show full abstract
In order to improve the photovoltaic performance of pyrido[3,4-b]pyrazine (PP)-based polymers, a new fluoropyrido[3,4-b]pyrazine based D–A type polymer (BDT-S-fPP) was synthesized. The optical, electrochemical and photovoltaic properties were well investigated. A power conversion efficiency (PCE) over 6.0% with a single junction device was obtained, which is the highest PCE among the PP-based polymers reported to date.
               
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