CPC H01L 51/0036 (2013.01) [C08G 61/126 (2013.01); H01L 51/0043 (2013.01); C08G 2261/12 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/3223 (2013.01); C08G 2261/3241 (2013.01); C08G 2261/91 (2013.01); H01G 9/204 (2013.01); H01G 9/2027 (2013.01); H01G 9/2031 (2013.01); H01L 51/4213 (2013.01); H01L 51/4253 (2013.01); H01L 51/442 (2013.01)] | 5 Claims |
1. An organic solar cell comprising:
a first electrode and a second electrode disposed facing each other; and
a photo-active layer disposed between the first electrode and the second electrode,
wherein the photo-active layer comprises polymer for a photo-active layer of an organic solar cell which is represented by the following Structural Formula 1:
wherein in Structural Formula 1,
X1, X2, X3 and X4 are each independently O, S, Se, NH, or NR′,
R1, R2, R3 and R4 are each independently an alkyl group having 1 to 50 carbon atoms, an aryl group having 6 to 50 carbon atoms, or —COOR′,
A1, A2, A3, and A4 are each independently H, F, CN, or —COOR′,
R′ is an alkyl group having 1 to 50 carbon atoms or an aryl group having 6 to 50 carbon atoms, and
n is an integer ranging from 1 to 1000,
wherein the polymer for a photo-active layer has a crystalline coherence length (CCL) in the range of 25 Å to 30 Å.
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