articleNature CommunicationsApr 29, 2020GOLD OA

Super-tough MXene-functionalized graphene sheets

TZTianzhu ZhouCWChao WuYWYanlei WangAPAntoni P. TomsiaMLMingzhu Li

Beijing Advanced Sciences and Innovation Center · Beihang University · +8 more institutions

PubMed
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Abstract

Flexible reduced graphene oxide (rGO) sheets are being considered for applications in portable electrical devices and flexible energy storage systems. However, the poor mechanical properties and electrical conductivities of rGO sheets are limiting factors for the development of such devices. Here we use MXene (M) nanosheets to functionalize graphene oxide platelets through Ti-O-C covalent bonding to obtain MrGO sheets. A MrGO sheet was crosslinked by a conjugated molecule (1-aminopyrene-disuccinimidyl suberate, AD). The incorporation of MXene nanosheets and AD molecules reduces the voids within the graphene sheet and improves the alignment of graphene platelets, resulting in much higher compactness and high…

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Topics & keywords

Topics
Keywords
  • Graphene
  • Materials science
  • Supercapacitor
  • Raman spectroscopy
  • Oxide
  • Covalent bond
  • Nanotechnology
  • Electrochemistry
UN Sustainable Development Goals
  • Affordable and clean energy
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