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A cautionary note on graphene anti-corrosion coatings

Despite graphene's apparent potential for anti-corrosion coatings, it is cathodic to most metals and can promote corrosion at exposed graphene–metal interfaces. This may accelerate dangerous localized corrosion that can seriously weaken the coated metals.

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Figure 1: Anti-corrosion coatings.

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Acknowledgements

We thank Y.W. Chung and A.R. Koltonow for helpful discussions, F. Frankel for advice on Fig. 1, and the Office of Naval Research (ONRN000141612838) for support.

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Correspondence to Jiaxing Huang.

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Cui, C., Lim, A. & Huang, J. A cautionary note on graphene anti-corrosion coatings. Nature Nanotech 12, 834–835 (2017). https://doi.org/10.1038/nnano.2017.187

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