Figure 5 | Polymer Journal

Figure 5

From: Improvement of short circuit current density by intermolecular interaction between polymer backbones for polymer solar cells

Figure 5

Atomic force microscopy (AFM) images of films spin coated from (a) PBDTAQ:PCBM 1:5 (w w%−1), (b) PBDTAFQ:PCBM 1:5 (w w%−1), (c) PBDTAFQ:PCBM 1:5 (w w%−1) DIO and (d) PBDTAFQ:PCBM 1:5 w w%−1 DIO MeOH. DIO, dioxane; MeOH, methanol; PBDTAQ, poly(diethylhexyloxy benzo dithiophene-dioctyloxy dithiophene diphenyl Qu); PBDTAFQ, poly(diethylhexyloxy benzo dithiophene-dioctyloxy dithiophene dibenzophenazine; PCBM, [6,6′]-phenyl-C-butyricacidmethyl ester. A full color version of this figure is available at Polymer Journal online.

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