| abstract |
An organic semiconductor material has a chemical formula represented by a formula (1), wherein r and s respectively represent a positive integer in 1-20 independently; n is a positive integer in 2-10000; X1, X2 and X3 respectively represent O, S, Se, Te, NR, RCR, RSiR, RGeR or RSnR; Y1 and Y2 respectively represent H, F, Cl, CF3, haloalkyl, CN, R, OR, SR, COOR or COR independently; and Z1, Z2, Z3 and Z4 respectively represent H, F, Cl, CF3, haloalkyl, CN, R, OR, SR, COOR or COR, wherein R represents alkyl. |