US 12,178,139 B2 · Method of providing an air- and/or moisture-barrier coating on a two-dimensional material

Abstract

Methods of providing an air- and/or moisture-barrier coating on at least a portion of a two-dimensional material are described. In particular, the methods provide an improved approach for providing a doped two-dimensional material, preferably graphene, on a substrate wherein at least a portion of the two-dimensional material is coated with an air- and/or moisture-barrier coating that comprises an inorganic oxide, fluoride or sulfide. Two-dimensional materials provided with an air- and/or moisture impermeable inorganic oxide, fluoride or sulfide coating and an electronic device comprising the same are also described.

Claims22

Dependent claims

A method of providing an air- and/or moisture-barrier coating on at least a portion of a two-dimensional material, the method comprising:

(i) providing a substrate having a two-dimensional material thereon;
(ii) providing a composition comprising an inorganic oxide, fluoride or sulfide precursor and a doping agent;
(iii) coating the composition onto at least a portion of the two-dimensional material;
and
(iv) curing and/or annealing the coated two-dimensional material at a temperature of no greater than 1200° C. to convert the inorganic oxide, fluoride or sulfide precursor into an inorganic oxide, fluoride or sulfide air- and/or moisture-barrier coating on at least a portion of the two-dimensional material and whereby the doping agent dopes the two-dimensional material.

2 more elements

Dependencies are inferred from the claim text.

Method of providing an air- and/or moisture-barrier coating on a two-dimensional material

Life of this patent

Method of providing an air- and/or moisture-barrier coating on a two-dimensional material

Life of this patent

Abstract

Claims22