Fig. 3: Current density (J)-voltage (V) diagram.
From: Critical length screening enables 19% efficiency in thick-film organic solar cells
a J-V diagram of PM6:N3 system. b J-V diagram of PM6:N4 system. c J-V diagram of D18:N3 system. d J-V diagram of D18:N4 system. e J-V diagram of PM6:BPF-4F system. f J-V diagram of D18:L8-BO system.