abstract |
An electron accepting monomer having the formula: n n n wherein Y is selected from the group consisting of oxygen (O), sulfur (S), and an amino (N—Ar 1 ) and wherein Ar 1 is an aromatic hydrocarbon, is disclosed. In addition, an electron donating monomer having the formula: n n n in which Ar 1 and Ar 2 are aromatic groups is disclosed. |