Bulk-heterojunction donor-acceptor blend: P3HT-PCBM (Kim 2007) -> non-fullerene-acceptor Y6 (Yuan 2019) achieves PCE 19% (2024); flexible / roll-to-roll manufacture; lower stability than inorganic.
Bulk-heterojunction donor-acceptor blend: P3HT-PCBM (Kim 2007) -> non-fullerene-acceptor Y6 (Yuan 2019) achieves PCE 19% (2024); flexible / roll-to-roll manufacture; lower stability than inorganic.