Wednesday, May 5, 2010

Solution-Processed Squaraine Bulk Heterojunction Photovoltaic Cells

Table 1. Summary of Solar Cell Characteristics of Different SQ:PC70BM Blend Ratios and a SQ/C60 Planar Control Cell
SQ:PC70BM ratioVoc (V)JSC (mA/cm2)FFJ0 (mA/cm2)ηp (%) at P0 = 1 sunηp (%) (max)P0 at max ηp (mW/cm2)
3:10.68(±0.03)1.79(±0.19)0.26(±0.01)2.8×10−20.32(±0.01)0.32(±0.01)100
1:10.81(±0.01)3.61(±0.03)0.31(±0.01)1.1×10−20.90(±0.01)0.90(±0.01)100
1:20.87(±0.01)8.33(±0.50)0.29(±0.01)3.7×10−72.1 (±0.1)4.1(±0.2)2
1:30.84(±0.01)8.83(±0.34)0.33(±0.01)8.7×10−62.4 (±0.1)3.0(±0.1)2
1:60.89(±0.01)8.85(±0.22)0.35(±0.01)6.2×10−72.7 (±0.1)3.3(±0.1)20
1:6/BCP0.84(±0.01)9.33(±0.12)0.36(±0.01)2.7×10−72.9 (±0.2)3.8(±0.2)0.2
SQ:PC60BM 1:60.78(±0.01)9.17(±0.25)0.42(±0.01)1.6×10−53.0 (±0.1)3.6(±0.1)2
SQ/C600.79(±0.01)8.90(±0.25)0.54(±0.02)1.2×10−63.8 (±0.2)4.1(±0.2)100
SQ/C700.72(±0.01)8.29(±0.25)0.45(±0.02)1.1×10−52.7 (±0.2)3.1(±0.2)20

ACS Nano, 2010, 4 (4), pp 1927–1934