Research Article

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

Figure 5

UV-Vis spectra of (a) P3HT/HOC-P3HT-COH/PCBM (1 : 0.1 : X) (calibration curve) and (b) P3HT/HOC-P3HT-COH/PCBM absorption in regions 1, 2, and 3.
(a)
(b)