Figure 4: Photo-CELIV of solar cells with different polymers blending with PC71BM. | Nature Communications

Figure 4: Photo-CELIV of solar cells with different polymers blending with PC71BM.

From: A polymer tandem solar cell with 10.6% power conversion efficiency

Figure 4

The delay times are 3 μs. And the tmax (the time when the extraction current reaches its maximum value) for PCPDT-BT:PC71BM, PCPDT-DFBT:PC71BM and PDTP-BT:PC71BM are 7.1, 2.8 and 1.1 μs, respectively. The device structure is ITO/ZnO/Polymer:PC71BM/MoO3/Ag.

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