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Extraordinary Corrosion Protection from Polymer-Clay Nanobrick Wall Thin Films

ACS Applied Materials and Interfaces

Schindelholz, Eric J.; Spoerke, Erik D.; Nguyen, Hai-Duy A.; Grunlan, Jaime C.; Qin, Shuang; Bufford, Daniel C.

Metals across all industries demand anticorrosion surface treatments and drive a continual need for high-performing and low-cost coatings. Here we demonstrate polymer-clay nanocomposite thin films as a new class of transparent conformal barrier coatings for protection in corrosive atmospheres. Films assembled via layer-by-layer deposition, as thin as 90 nm, are shown to reduce copper corrosion rates by >1000× in an aggressive H2S atmosphere. These multilayer nanobrick wall coatings hold promise as high-performing anticorrosion treatment alternatives to costlier, more toxic, and less scalable thin films, such as graphene, hexavalent chromium, or atomic-layer-deposited metal oxides.

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TYPE Journal Article YEAR 2018
ScopusOSTIDOI
13 Results
13 Results