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

Table 2

List of ratio of to and actual PCBM/P3HT^* compositions (1 : 1.1, theoretically, with compatibilizer) in regions 1, 2, and 3 of the substrate.

	Region 1 (edge)	Region 2	Region 3 (center)
/	1.00	1.01	1.02
P3HT^* : PCBM	1 : 0.94	1 : 0.95	1 : 1.03

: P3HT + 10 wt% HOC-P3HT-COH.