Figure 7

J–V curves of the OSCs with different inserting HTLs in a device structure of ITO/MoOx (5 nm)/HTL (2 nm)/SubPc (15 nm)/C60 (40 nm)/ BPhen (6 nm)/Al (100 nm).
J–V curves of the OSCs with different inserting HTLs in a device structure of ITO/MoOx (5 nm)/HTL (2 nm)/SubPc (15 nm)/C60 (40 nm)/ BPhen (6 nm)/Al (100 nm).