Method of making an organic thin film transistor
US6107117A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1996 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Dec 20, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/12
Abstract
A process for fabricating thin film transistors in which the active layer is an organic semiconducting material with a carrier mobility greater than 10.sup.-3 cm.sup.2 /Vs and a conductivity less than about 10.sup.-6 S/cm at 20.degree. C. is disclosed. The organic semiconducting material is a regioregular (3-alkylthiophene) polymer. The organic semiconducting films are formed by applying a solution of the regioregular polymer and a solvent over the substrate. The poly (3-alkylthiophene) films have a preferred orientation in which the thiophene chains has a planar stacking so the polymer backbone is generally parallel to the substrate surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.