Abstract

Abstract Protective coatings are widely used to control microbially induced corrosion (MIC) of ferrous and nonferrous metals and maintain their aesthetic appeal and structural integrity. The use of ultrathin graphene films as protective coatings in biological environments is discussed in this article. The way the atomic scale surficial features of graphene coatings influence adherence, colonization, and biofilm growth aspects of bacteria responsible for MIC of underlying metals is discussed. A critical review of the literature is carried out to evaluate the microbial corrosion resistance of pristine graphene and its functionalized forms. The article is concluded with a discussion on environmental impacts, technical challenges and potential solutions, and commercialization prospects of graphene coatings.

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