Patent ID: 7276395

Claim:
A method of making an organic thin-film transistor device comprising: a) providing a substrate; b) depositing a gate electrode material on the substrate; c) depositing a gate dielectric on the gate electrode material; d) depositing an organic semiconductor layer comprising acene-thiophene compounds, and e) providing a source electrode and a drain electrode contiguous to the organic semiconductor layer adjacent to the gate dielectric layer; wherein said acene-thiophene compounds are of the formula: wherein Ac is a substituted or unsubstituted acenyl group selected from 2-anthracenyl, and 2-tetracenyl, R1 is Ac, an alkyl group or H, each of R2 and R3 is independently selected from H, alkyl groups, alkoxy groups, thioalkoxy groups, halogen atoms, and combinations thereof, and n is 1 to 4, and/or of the formula: wherein Ac′ is an acenyl group selected from substituted or unsubstituted 2,6-anthracenyl or 2,8-tetracenyl; R1 is an acenyl group selected from substituted or unsubstituted 2-anthracenyl or 2-tetracenyl, an alkyl group or H; each of R2 and R3 is independently selected from H, alkyl groups, alkoxy groups, thioalkoxy groups, halogen atoms, and combinations thereof, and n is 1 to 4.