Effects of Organic Solvents for Composite Active Layer of PCDTBT/PC₇₁BM on Characteristics of Organic Solar Cell Devices

Figure 2

Thickness of PCDTBT : PC₇₁BM active layer films with different composition prepared in solvents of chloroform (1 wt%), chlorobenzene (2 wt%), and o-dichlorobenzene (3 wt%).