Complete long-term corrosion protection with chemical vapor deposited graphene

Feng Yu, Luca Camilli, Ting Wang, David M.A. Mackenzie, Michele Curioni, Robert Akid, Peter Bøggild*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

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Despite numerous reports regarding the potential of graphene for corrosion protection, examples of chemical vapor deposited (CVD) graphene-based anticorrosive coatings able to provide long-term protection (i.e. several months) of metals have so far been absent. Here, we present a polymer-graphene hybrid coating, comprising two single layers of CVD graphene sandwiched by three layers of polyvinyl butyral, which provides complete corrosion protection of commercial aluminum alloys even after 120 days of exposure to simulated seawater. The essential role played by graphene in the hybrid coating is evident when we compare the results from a polymer-only coating of the same thickness, which fails in protecting the metal after less than 30 days. With the emergence of commercially available large-area CVD graphene, our work demonstrates a straightforward approach towards high-performance anticorrosive coatings, which can be extended to other two-dimensional materials and polymers, for long-term protection of various relevant metals and alloys.
Original languageEnglish
Pages (from-to)78-84
Publication statusPublished - 2018


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