Characterization of the Organic Thin Film Solar Cells with Active Layers of PTB7/PC<sub>71</sub>BM Prepared by Using Solvent Mixtures with Different Additives

<table>UV/Vis spectra of four different organic active layers of PTB7/PC<sub>71</sub>BM prepared with different organic solvent mixture.</table>

International Journal of Photoenergy

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Figure 4

Figure 4: Characterization of the Organic Thin Film Solar Cells with Active Layers of PTB7/PC<sub>71</sub>BM Prepared by Using Solvent Mixtures with Different Additives 

Figure 4 | Characterization of the Organic Thin Film Solar Cells with Active Layers of PTB7/PC71BM Prepared by Using Solvent Mixtures with Different Additives 