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) | 19.64 | 1.0450 | 1 : 2 (oDCB) | 8.005 | 0.6804 | 1 : 3 (oDCB) | 6.513 | 0.5983* | 1 : 4 (oDCB) | 9.845 | 0.7437* | 1 : 5 (oDCB) | 6.513 | 0.5858* | 1 : 6 (oDCB) | 8.403 | 0.5957* | 1 : 7 (oDCB) | 10.94 | 0.7530 | 1 : 8 (oDCB) | 9.944 | 0.7984 | 1 : 4 (CB) | 15.16 | 1.95* |
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Reference [21].
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