Anti-corrosion and Anti-bacterial properties investigation of Graphene Oxide coating on AISI 304 stainless steel

In  this  work,  the  corrosion  resistance  and  antibacterial  properties  of  Graphene  Oxide  were investigated. Hummer’s method was used for production of Graphene Oxide on AISI 304 stainless steel,  and  its  formation  was  tested  by  Raman  spectroscopy.  Electrochemical  Impedance spectroscopy  (EIS)  and  Polarization  tests  in  3.5%  NaCl  solution  were  carried  out  for  corrosion inhibition studies of the produced samples. Results of corrosion measurements revealed that coating of GrapheneOxide on stainless steel greatly improves its corrosion resistance. Surface morphology of the samples after corrosion tests was examined by scanning electron microscope analysis (SEM). The equivalent circuit of all samples was obtained, using the EIS data. Japanese Industry Standard test  Methods  was  used  for  antibacterial  properties  investigation  against  gram  negative  E.  coli bacteria.   The  results  of  antibacterial  analysis  showed  that  Graphene  Oxide  with anti-corrosion property, is promising material for antibacterial applications.