Butylamine functionalized graphene oxide: experimental and DFT studies on the corrosion inhibition efficiency of the MgAZ13 alloy in a 3.5% NaCl environment

Abstract

Figure A depicts the electrostatic energy in edge functional groups with non-bonding electrons and suggests an interaction with the metal surface. Figure B shows protonated electrostatic energy that indicates the donation of a pair of electrons to the metal surface.