Figure 4 | Polymer Journal

Figure 4

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

Figure 4

(a, b) J–V characteristics and (c, d) external quantum efficiency of photovoltaic devices fabricated with PBDTAQ:PCBM, PBDTAFQ:PCBM, PBDTAFQ:PCBM DIO and methanol (MeOH) treatment. DIO, dioxane; J–V, current–voltage; 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.

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