Solution-processed highly adhesive graphene coatings for corrosion inhibition of metals

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Abstract

The corrosion of metals can be induced by different environmental and operational conditions, and protecting metals from corrosion is a serious concern in many applications. The development of new materials and/or technologies to improve the efficiency of anti-corrosion coatings has attracted renewed interest. In this study, we develop a protective coating composed of a bilayer structure of reduced graphene oxide (RGO)/graphene oxide (GO) applied to Cu plates by spray-coating and subsequent annealing. The annealing of the GO/Cu plates at 120 °C produces a bilayer structure of RGO/GO by the partial reduction of the spray-coated GO layer. This induces superior corrosion resistance and adhesion strength compared to those of GO/Cu and RGO/Cu plates because of the hydrophobic nature of the RGO surface exposed to the surroundings and the formation of Cu–O bonds with the O-based functional groups of GO. This approach provides a viable and scalable route for using graphene coatings to protect metal surfaces from corrosion.

Keywords

graphene metal surface coating corrosion solution process 

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Notes

Acknowledgments

This work was supported by the 2nd phase of the Fundamental R&D Programs for Core Technology of Materials funded by Ministry of Trade, Industry and Energy (MOTIE) (2015–2016), Future Semiconductor Device Technology Development Program (No. 10044868) funded by Ministry of Trade, Industry and Energy (MOTIE) and Korea Semiconductor Research Consortium (KSRC), Creative Materials Discovery Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (No. 2017M3D1A1040828), Nano·Material Technology Development Program through the National Research Foundation of Korea(NRF) funded by Ministry of Science and ICT (No. 2017M3A7B4052798), Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (No. 2015R1D1A1A01058982), and GIST Research Institute (GRI) grant funded by the GIST.

Supplementary material

12274_2018_2056_MOESM1_ESM.pdf (709 kb)
Solution-processed highly adhesive graphene coatings for corrosion inhibition of metals

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Copyright information

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Gi-Cheol Son
    • 1
  • Deuk-Kyu Hwang
    • 3
  • Jaewon Jang
    • 1
  • Sang-Soo Chee
    • 1
  • Kyusang Cho
    • 1
  • Jae-Min Myoung
    • 3
  • Moon-Ho Ham
    • 1
    • 2
  1. 1.School of Materials Science and EngineeringGwangju Institute of Science and Technology (GIST)GwangjuRepublic of Korea
  2. 2.Research Institute for Solar and Sustainable EnergiesGwangju Institute of Science and Technology (GIST)GwangjuRepublic of Korea
  3. 3.Department of Materials Science and EngineeringYonsei UniversitySeoulRepublic of Korea

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