Theoretical analysis of Cu2S—CdS solar cells with rough interfaces

It has been found experimentally that the junction interface of a Cu
2
S-CdS solar cell shows a rough structure. The Cu
2
S can form deep dips between the grains of the CdS layer. By using an idealized geometry for such a Cu
2
S layer, the minority-carrier concentration and hence the characteristics of such a solar cell will be determined. The numerical method will be based on an integral equation technique.