Research Article

Characterization of Organic Thin Film Solar Cells of PCDTBT : PC71BM Prepared by Different Mixing Ratio and Effect of Hole Transport Layer

Table 1

Surface roughness parameters of the PCDTBT : PC71BM prepared with different mixing ratios of 1 : 1~1 : 8 in o-DCB and CB.

PCDTBT : PC71BM
blend ratio
P-V (nm)RMS (nm)

1 : 1 (oDCB)19.641.0450
1 : 2 (oDCB)8.0050.6804
1 : 3 (oDCB)6.5130.5983*
1 : 4 (oDCB)9.8450.7437*
1 : 5 (oDCB)6.5130.5858*
1 : 6 (oDCB)8.4030.5957*
1 : 7 (oDCB)10.940.7530
1 : 8 (oDCB)9.9440.7984
1 : 4 (CB)15.161.95*

Reference [21].