Novel Low Band Gap Small Molecule and Phenylenevinylene Copolymer with Cyanovinylene 4-Nitrophenyl Segments: Synthesis and Application for Efficient B

Table 3. Photovoltaic Parameters of BHJ Devices Using SM:PCBM (1:1) and P:PCBM (1:1) Active Layers, Sandwiched between ITO/PEDOT:PSS and Al Electrodes

device	short circuit current (Jsc) (mA/cm2)	open circuit voltage (Voc) (V)	fill factor (FF)	power conversion efficiency (η) (%)
ITO/PEDOT:PSS/SM:PCBM (as cast)/Al	5.1	0.92	0.54	2.53
ITO/PEDOT:PSS/SM:PCBM (annealed)/Al	7.4	0.89	0.58	3.82
ITO/PEDOT:PSS/P:PCBM (as cast)/Al	3.11	0.94	0.49	1.43
ITO/PEDOT:PSS/P:PCBM (annealed)/Al	4.98	0.88	0.54	2.37