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A novel electron donating unit, namely N‐octyl‐N‐phenyl‐thiophene (OPT), was designed in preparing electron acceptors with non‐fused ring chemical structures. By introducing different functional atoms/groups into the para‐position of phenyl in the OPT units, three non‐fused ring acceptors (NFREAs), C8‐2F, FC8‐2F and MeC8‐2F, were synthesized. The absorption spectrum of the three acceptors can be extended...
Non‐fused ring electron acceptors with different end‐capped substituents were designed to construct efficient organic solar cells (OSCs). End‐capped modification of acceptor materials is an efficient approach for developing high performance OSCs. In this report, five new S‐shaped fullerene‐free acceptor molecules (3P1 to 3P5) have been designed and examined through density function and time‐dependent...
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