Table 5.

Photovoltaic characteristics of OSCs based on polymers 25–27.

compound	R	VOC, V	JSC, mA/cm2	FF, %	PCE, %
25a	n-hexyl	0.69	12.3	58.0	5.1
25b	n-octyl	0.70	12.7	57.0	5.2
25c	n-decyl	0.63	11.6	54.0	4.1
25d	n-dodecyl	0.69	11.3	52.0	4.0
25e	2-ethylhexyl	0.88	0.8	58.0	0.3
26	—	0.97	5.25	38.0	1.94
27	—	1.06	15.7	52.0	8.36