Fig. 5
From: Graphene oxide and cannabidiol-based hybrid coatings on PMMA for biomedical applications
XPS spectra of SG9.5, SG9.5/GO, and SG9.5/CBD/GO samples: (a) survey spectra, (b) high-resolution C 1s spectra, (c) high-resolution O 1s spectra, and (d) high-resolution Si 2p spectra.
