Figure 4
From: A Low-Cost Non-explosive Synthesis of Graphene Oxide for Scalable Applications

(a) AFM image of a drop coated GO film. (b), (c) and (d) height profile data of scan2, scan1 and scan3 respectively in (a). (e) AFM image of drop casted GO film with corrugation and wrinkles. (f) Height profile of the GO film along the wrinkles obtained in (e).