ArticleMaterials (Basel, Switzerland)2026
Berberine-Functionalized Graphene Oxide Nanocomposite for Enhanced Corrosion Protection of Epoxy-Coated Copper in Marine Environments.
Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study introduces a novel anticorrosion coating for copper based on an epoxy matrix reinforced with a berberine-loaded graphene oxide (BBR@GO) nanocomposite. The BBR@GO was synthesized via a simple, non-covalent functionalization method, leveraging π-π stacking interactions between the planar berberine molecule and the graphene oxide surface. The successful loading of berberine was confirmed by Fourier-transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and energy-dispersive X-ray spectroscopy (EDS). The BBR@GO nanocomposite was incorporated into an epoxy resin at 0.1 wt.% loading and applied to a copper substrate. The corrosion protection performance of the BBR@GO/EP coating was systematically evaluated in 3.5 wt.% NaCl solution for 27 days using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PDP). The BBR@GO/EP coating exhibited a total impedance of 5.31 × 10
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