Figure 5: Differential scanning calorimetry (DSC) thermal analysis of PCE11:PCBM samples.

(a) DSC scans of neat PCE11, neat PCBM and PCE11:PCBM 1:1 blend. (b) The second DSC heating scans of PCE11:PCBM samples.
(a) DSC scans of neat PCE11, neat PCBM and PCE11:PCBM 1:1 blend. (b) The second DSC heating scans of PCE11:PCBM samples.