Research Article

Fabrication and Optimization of Polymer Solar Cells Based on P3HT:PC70BM System

Figure 5

J-V characteristics of the devices with different ZnO thicknesses, measured under 100 mW/cm2 illumination (AM 1.5G). The structure of the devices is ITO/PEDOT:PSS/P3HT:PC70BM/ZnO/Al.