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Article
A new low-bandgap polymer acceptor based on benzotriazole for efficient all-polymer solar cells
The rational design of polymer acceptors with strong and broad absorption is critical to improve photovoltaic performance. In this work, a new polymer acceptor PY9-T based on heptacyclic benzotriazole (Y9-C16)...
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Article
A new chlorinated non-fullerene acceptor based organic photovoltaic cells over 12% efficiency
The method to fluorinate the terminal group has achieved remarkable success and been widely used to fine-tune the intrinsic properties of organic acceptor materials. Referring to chlorination, however, it gets...
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Article
Synthesis and characterization of red-emission PPV copolymers containing fluorenone unit
Two soluble copolymers of fluorenone and dioctoxylbenzene (PFN) or anthracene (PFNAn) were synthesized through Heck polymerization, and were characterized by gel permeation chromatography (GPC), FT-IR, 1H-NMR, el...