![]() ![]() ![]() Owing to their large effective bandgap, D18:PMI-FF-PMI solar cells are characterized by an extremely high open-circuit voltage ( V OC) of 1.41 V, which to the best of our knowledge is the highest reported value for solution-processed OSCs so far. With an effective bandgap of 2.02 eV, the D18:PMI-FF-PMI blend can be categorized as a wide-bandgap OSC and is an attractive candidate for application as a wide-bandgap sub-cell in all-organic triple-junction solar cell devices. The synthesized NFA was combined with the high-performance donor polymer D18 to fabricate efficient OSCs. A perylene-based acceptor (PMI-FF-PMI), consisting of two perylene monoimide (PMI) units bridged with a dihydroindenofluorene molecule was developed as a potential non-fullerene acceptor (NFA) for organic solar cells (OSCs). ![]()
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