Solution-processed bulk heterojunction organic solar cells based on an oligothiophene derivative

Table I. The Voc, Jsc, FF, and PCE of the photovoltaic devices with different blends.
Ratios of the blends (wt/wt)	Voc (V)	Jsc (mA cm−2)	FF	PCE (%)
DCN7T:PCBM (1:0.6)	0.60	0.29	0.23	0.04
DCN7T:PCBM (1:1)	0.88	6.6	0.19	1.1
DCN7T:PCBM (1:1.4)	0.88	12.4	0.34	3.7
DCN7T:PCBM (1:1.8)	0.78	10.2	0.40	3.2

Applied Physics Letters 97(2):023303 (2010)