Ultrathin graphene/polymer laminate films
A process includes layering a graphene layer onto a polymer layer to form a composite film.
1 . A process, comprising:
layering a graphene layer onto a first side of a preexisting polymer layer; and
layering a second graphene layer directly onto a second side of the preexisting polymer layer for forming a composite structure consisting of the graphene layer, the second graphene layer, and the preexisting polymer layer.
2 . A process, comprising:
layering a graphene layer onto a first side of a polymer layer; and
layering a second graphene layer directly onto a second side of the polymer layer for forming a composite structure consisting of the graphene layer, the second graphene layer, and the polymer layer,
wherein the layering is performed in a solution.
3 . The process of claim 2 , wherein the graphene layer floats on the solution, wherein the layering includes causing the polymer layer to lift the graphene layer from the solution.
4 . The process of claim 2 , wherein the solution has a neutral pH.
5 . The process of claim 1 , further comprising, layering a third graphene layer onto the graphene layer or the second graphene layer of the composite structure.
6 . The process of claim 1 , further comprising coupling a third graphene layer to the composite structure.
7 . The process of claim 1 , further comprising coupling a second polymer layer to the composite structure.
8 . The process of claim 1 , wherein the graphene layer includes several layers of graphene.
9 . The process of claim 1 , wherein the graphene layer is a single layer of graphene.
10 . The process of claim 1 , wherein the graphene layer includes islands of graphene held together by van der Waals forces.
11 . The process of claim 1 , wherein the graphene layer covers an entire side of the preexisting polymer layer.
12 . The process of claim 2 , wherein the solution forms a meniscus around the graphene layer.
13 . The process of claim 2 , wherein the solution includes water.
14 . The process of claim 2 , wherein the solution is water.
15 . The process of claim 1 , wherein a method of forming the graphene layer comprises:
forming the graphene layer on a substrate, and
separating the graphene layer from the substrate.
16 . The process of claim 15 , wherein the graphene layer is formed with a metal catalyst, wherein the separating includes adding a metal etchant to the graphene layer on the substrate for separating the graphene layer from the substrate.