Graphene nanoribbon ceramic composites

C. Ramirez, M. I. Osendi, P. Miranzo, M. Belmonte, F. Figueiredo, A. Castro-Beltrán, M. Terrones

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

By unzipping multi-walled carbon nanotubes (MWCNTs) it is possible to obtain graphene nanoribbons (GNRs) that could then be used as fillers in ceramic composites. Here we report the fabrication of silicon nitride (Si3N4) ceramics with different contents of GNRs by spark plasma sintering. The GNR fillers confer electrical conductivity to the Si3N4 composites, following a semiconducting-like behavior at relatively low volume filler concentrations (0.04). In addition, a toughening effect, produced by GNRs bridging the cracks was observed. GNRs appear to be an efficient alternative to graphene-based composites, useful in the fabrication of novel multifunctional ceramic composites.

Original languageEnglish (US)
Pages (from-to)207-214
Number of pages8
JournalCarbon
Volume90
DOIs
StatePublished - May 16 2015

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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