Homogenized Poly(3-hexylthiophene)/Methanofullerene Film by Addition of End-Functionalized Compatibilizer and Its Application to Polymer Solar Cells

Table 3

Solar cells performance of P3HT/PCBM (1 : 1) based polymer solar cells in different regions of a 2 cm × 3 cm substrate. The active layer is thermally treated at 150°C for 10 minutes.

(a) P3HT/PCBM	(mA/cm^2)	(V)	FF	(%)
Region 1	7.49	0.66	0.62	3.07
Region 2	7.52	0.66	0.63	3.13
Region 3	8.22	0.64	0.63	3.29
Region 4	8.13	0.64	0.63	3.28
Region 5	7.47	0.65	0.6	2.93
Average value	7.77	0.65	0.62	3.14
Standard deviation	0.375	0.010	0.013	0.151