Fig. 3

J–V characteristics of ternary and binary blend polymer solar cells: a RR-P3HT/PCBM/ZnPc (solid line) and RR-P3HT/PCBM (broken line) and b RR-P3HT/PCBM/SiPc6 (solid line) and RR-P3HT/PCBM (broken line). Adapted with permission from Ref. [44]. Copyright 2009 American Chemical Society