Patent ID: 7285440

Claim:
A method for improving the performance of an organic thin film transistor comprising the steps of: (a) forming a transistor structure, having as part of its structure, a layer of organic semiconductor that is deposited onto organic surfaces, dielectric surfaces, metal surfaces, or combinations thereof; (b) treating said organic or dielectric surfaces prior to deposition of said layer of organic semiconductor with a compound having the formula: RZ or RZ 2 wherein Z terminates with a functional group capable of binding to and forming a self-assembled monolayer on the surfaces of said organic or insulator surfaces and is selected from the group consisting of chlorosilanes, methoxy or ethoxy silanes, germanium halides, carboxylic acids, or phosphonic acids, and R has a cyclic aromatic or saturated or unsaturated aliphatic ring structure with a geometry that results in the external portion of the molecule terminating in a bond that is parallel to said organic or insulator surfaces when the binding groups (Z) are appropriately attached to said surfaces; (c) treating said metal surfaces, prior to deposition of the organic semiconductor with a compound having the formula: RSH or R(SH) 2 wherein the terminal thiol is capable of binding to and forming a self-assembled monolayer on the metals; and R has a cyclic aromatic or saturated or unsaturated aliphatic ring structure with a geometry that results in the external portion of the molecule terminating in a bond that is parallel to said metal surfaces when the thiols are appropriately attached to said surfaces.