Abstract:

Blends of Cuphthalocyanine (CuPc) and fullerene (C₆₀) was used as an active layer and Alq and CuPc as a transport layer to fabricate a CuPc/CuPc∶C₆₀/Alq/Al PINtype organic solar cell. These layers were grown with a vacuum evaporation method and characterized with I-V curve and UVvisible spectrometry. Cell performance with different thickness of the active layers, P layer and N layer, has been studied. The results show that when thicknesses of the active layers, N layer and P layer, are 15, 30 and 40 nm, respectively, the prepared solar cell has a good performance. The cell parameters with optimal P, I, and N layers have been measured as J_SC=2.07 mA·cm^-2, V_OC = 0.53 V, and F_F=0.46. Power efficiency of this kind of solar cell can reach approximately over 0.53%.

Key words:  organic solar cell; PIN; Alq; vacuum evaporation