Boronic Acids for Functionalisation of Commercial Multi-Layer Graphitic Material as an Alternative to Diazonium Salts

Rachel McLaren, Christian Laycock, David J. Morgan, Gareth Owen

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Abstract

A novel radical-based functionalisation strategy for the synthesis of functionalised commercially obtained plasma-synthesised multi-layer graphitic material (MLG) is presented herein. 4-(trifluoromethyl)phenyl boronic acid was utilised as a source of 4-(trifluoromethyl)phenyl radicals to covalently graft upon the graphitic surface of MLG. Such a methodology provides a convenient and safer route towards aryl radical generation, serving as a potential alternative to hazardous diazonium salt precusors. The structure and morphology of the functionalised MLG (Arf-MLG) has been characterised using XPS, Raman, TGA, XRD, SEM, TEM and BET techniques. The XPS quantitative data and Raman spectra provide evidence of successful covalent attachment of 4-(trifluoromethyl)phenyl groups to MLG.
Original languageEnglish
Pages (from-to)19144-19154
Number of pages11
JournalNew Journal of Chemistry
Volume44
Issue number44
DOIs
Publication statusPublished - 21 Oct 2020

Keywords

  • Graphene
  • Functionalisation
  • Materials chemistry
  • CARBON

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