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

Table 1

Photovoltaic parameters of the devices with different active layer thicknesses, measured under 100 mW/cm² illumination (AM 1.5G). The structure of the devices is ITO/PEDOT:PSS/P3HT:PC₇₀BM/Al.

Thickness of active layer	(mA/cm^2)	(V)		PCE (%)
100 nm	6.34	0.58	0.56	2.05
200 nm	8.74	0.56	0.54	2.64
300 nm	6.08	0.53	0.37	1.19