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Picot OT, Rocha VG, Ferraro C, et al. Using graphene networks to build bioinspired self-monitoring ceramics. Nat Commun. 2017;8:14425doi: 10.1038/ncomms14425.
Picot, O. T., Rocha, V. G., Ferraro, C., Ni, N., D'Elia, E., Meille, S., Chevalier, J., Saunders, T., Peijs, T., Reece, M. J., & Saiz, E. (2017). Using graphene networks to build bioinspired self-monitoring ceramics. Nature communications, 814425. https://doi.org/10.1038/ncomms14425
Picot, Olivier T, et al. "Using graphene networks to build bioinspired self-monitoring ceramics." Nature communications vol. 8 (2017): 14425. doi: https://doi.org/10.1038/ncomms14425
Picot OT, Rocha VG, Ferraro C, Ni N, D'Elia E, Meille S, Chevalier J, Saunders T, Peijs T, Reece MJ, Saiz E. Using graphene networks to build bioinspired self-monitoring ceramics. Nat Commun. 2017 Feb 09;8:14425. doi: 10.1038/ncomms14425. PMID: 28181518; PMCID: PMC5309856.
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Nat Commun. 2017 Feb 09;8:14425. doi: 10.1038/ncomms14425.

Using graphene networks to build bioinspired self-monitoring ceramics.

Nature communications

Olivier T Picot, Victoria G Rocha, Claudio Ferraro, Na Ni, Eleonora D'Elia, Sylvain Meille, Jerome Chevalier, Theo Saunders, Ton Peijs, Mike J Reece, Eduardo Saiz

Affiliations

  1. School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK.
  2. Department of Materials, Centre for Advanced Structural Ceramics, Imperial College London, London SW7 2AZ, UK.
  3. Université de Lyon, INSA Lyon, MATEIS CNRS UMR5510, F-69621 Villeurbanne, France.
  4. Nanoforce Technology Limited, Mile End Road, London E14NS, UK.

PMID: 28181518 PMCID: PMC5309856 DOI: 10.1038/ncomms14425

Abstract

The properties of graphene open new opportunities for the fabrication of composites exhibiting unique structural and functional capabilities. However, to achieve this goal we should build materials with carefully designed architectures. Here, we describe the fabrication of ceramic-graphene composites by combining graphene foams with pre-ceramic polymers and spark plasma sintering. The result is a material containing an interconnected, microscopic network of very thin (20-30 nm), electrically conductive, carbon interfaces. This network generates electrical conductivities up to two orders of magnitude higher than those of other ceramics with similar graphene or carbon nanotube contents and can be used to monitor 'in situ' structural integrity. In addition, it directs crack propagation, promoting stable crack growth and increasing the fracture resistance by an order of magnitude. These results demonstrate that the rational integration of nanomaterials could be a fruitful path towards building composites combining unique mechanical and functional performances.

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