Fig. 3
From: Secondary-Transferring Graphene Electrode for Stable FOLED
a1 Two-dimensional plan maps of graphene on HRA/PET. a2 Locally enlarged three-dimensional view of a1. a3, a4 Three-dimensional AFM image and the corresponding two-dimensional map of graphene on HRA/PET. b1 Two-dimensional plan maps of graphene on NOA63. b2 Locally enlarged three-dimensional view of b1. b3, b4 Three-dimensional AFM image and the corresponding two-dimensional map of graphene on NOA63. c Section height of AFM of point 1–6