Electrochemical Bubbling Transfer of Graphene Using a Polymer Support with Encapsulated Air Gap as Permeation Stopping Layer

Figure 3

(a) Typical AFM image of the graphene transferred by the air-gap-assisted method. The edge of graphene is indicated by arrows. (b) Typical Raman spectrum (514 nm laser) of the graphene transferred by our method, pointing to a high lattice quality monolayer.

(a)

(b)