US 12,312,492 B2 · Method for producing a polymer film

Abstract

A method for producing a PEDOT film on a substrate comprising a substrate and at least one PEDOT layer on a surface of the substrate is disclosed. The method comprises applying a solution comprising an oxidant and a base inhibitor on a surface of the substrate; subjecting the oxidant-coated substrate to a polymerization step by exposing the surface (s) of the oxidant-coated substrate to EDOT monomer vapour at a polymerization temperature; and wherein, during the polymerization step, the temperature of the oxidant-coated substrate is kept at a controlled substrate temperature and wherein the controlled substrate temperature is 2-40° C. lower than the polymerization temperature. Further is disclosed a conducting PEDOT film, an electronic device comprising the conducting PEDOT film and different uses of the conducting PEDOT film. Further, is disclosed a method for producing a polymer film formed of a copolymer, a conducting polymer film, an electronic device comprising the conducting polymer film and different uses of the conducting polymer film.

Claims24

Dependent claims

A method for producing a poly (3,4-ethylenedioxythiophene) (PEDOT) film comprising a substrate and at least one PEDOT layer on at least one surface of the substrate

wherein the method comprises the steps of:
a) applying a solution comprising an oxidant and a base inhibitor on at least one surface of the substrate so as to form an oxidant coating on at least one surface of the substrate,
b) subjecting the oxidant-coated substrate formed in step a) to a polymerization step by exposing the surface(s) of the oxidant-coated substrate to 3,4-ethylenedioxythiophene (EDOT) monomer vapour at a polymerization temperature to form a PEDOT layer on the surface(s) of the oxidant-coated substrate, and
wherein, during the polymerization step, the temperature of the oxidant-coated substrate is kept at a controlled substrate temperature and wherein the controlled substrate temperature is 2-40° C. lower than the polymerization temperature and wherein the polymerization temperature is 55-95° C. and the controlled substrate temperature is 40-70° C.

1 more element

A method for producing a polymer film formed of a copolymer wherein one of the monomers of the copolymer is (3,4-ethylenedioxythiophene) (EDOT), comprising a substrate and at least one polymer layer formed of a copolymer wherein one of the monomers of the copolymer is EDOT monomer on at least one surface of the substrate wherein the method comprises the steps of:

a) applying a solution comprising an oxidant and a base inhibitor on at least one surface of the substrate so as to form an oxidant coating on at least one surface of the substrate,
b) subjecting the oxidant-coated substrate formed in step a) to a polymerization step by exposing the surface(s) of the oxidant-coated substrate to a vapour of at least two different monomers, wherein one of the monomers is EDOT monomer, at a polymerization temperature to form a polymer layer on the surface(s) of the oxidant-coated substrate, and
wherein, during the polymerization step, the temperature of the oxidant-coated substrate is kept at a controlled substrate temperature and wherein the controlled substrate temperature is 2-40° C. lower than the polymerization temperature and wherein the polymerization temperature is 55-95° C. and the controlled substrate temperature is 40-70° C.

Dependencies are inferred from the claim text.

Method for producing a polymer film

Life of this patent

Method for producing a polymer film

Life of this patent

Abstract

Claims24