Journal Article organic solar cells nonfullerene acceptors all-polymer solar cells asymmetric acceptors bulk-heterojunctions carrier dynamics carrier lifetime charge separation deep learning dilution effect donor–acceptor combinations flexible high‐throughput screen large-area devices layer-by-layer assembly miscibility molecular design strategies morphological stability multicomponent multiphase morphology noncovalent interactions nonfullerene open-circuit voltage organic photovoltaic organic photovoltaics organic solar modules quaternary organic photovoltaics structural design tandem solar cells