Figure 4
From: Reduced Graphene Oxide Thin Film on Conductive Substrates by Bipolar Electrochemistry

Morphological, optical, and structural characterization of stainless steel-supported rGO thin film obtained with 15 mA h cumulative charge: scanning electron micrograph at (a) the middle and (b) lower edge of the substrate, (c) Vis-NIR absorbance spectrum (inset shows a photograph of the stainless steel anode with rGO deposit), (d) XRD diffraction patterns, (e) micro-Raman spectrum obtained with λ = 514 nm laser excitation (inset shows the Raman microscopic image where the measurements have been carried out), and (f) micro-Raman map of the D, G and D-to-G peaks intensities over a selected surface area of 76 × 46 μm2.