Research Article

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

Table 4

Photovoltaic parameters of the devices with different thicknesses of ZnO, measured under 100 mW/cm2 illumination (AM 1.5G).

Thickness of ZnO (mA/cm2) (V)PCE (%)

0 nm8.740.560.542.64
15 nm9.070.570.593.05
30 nm10.870.580.623.91
45 nm8.460.570.572.75