Prolonged-Nucleation Strategy via an Asymmetric Brominated Acceptor Enables > 20% Efficiency in Five Different Organic Solar Cells
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Despite efficient charge transfer and molecular stacking in BTP-core acceptors, overly rapid nucleation often causes growth of unfavorable donor/acceptor (D/A) fibrillar networks and metastable morphologies, limiting device efficiency and stability. Herein, an... ...
