n-Type Field-effect Transistors Based on Thieno[3,2-b]thiophene-2,5-dione and the Bis(dicyanomethylene) Derivatives

Two new compounds, 3,6-bis(4-trifluoromethylphenyl)thieno[3,2-b]thiophene-2,5-dione (1) and 2,5-bis(dicyanomethylene)-3,6-bis(4-trifluoromethylphenyl)thieno[3,2-b]thiophene (2), were synthesized an...