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. 2015 Apr 28;5:9949. doi: 10.1038/srep09949

Figure 1. Average current density-voltage (JV) characteristics under standard AM 1.5G illumination of organic solar cells fabricated from (a) PTB7:PC70BM blends with 100 nm, 230 nm and 700 nm thick active layers and (b) PCDTBT:PC70BM blends with 75 nm, 230 nm and 850 nm thick junctions.

Figure 1

The photovoltaic performance of the PCDTBT:PC70BM blends is much more susceptible to the film thickness of the active layer compared to PTB7:PC70BM.