Alkynylation of graphene via the Sonogashira C–C cross-coupling reaction on fluorographene

Demetrios D. Chronopoulos; Miroslav Medved’; Piotr Błoński; Zdeněk Nováček; Petr Jakubec; Ondřej Tomanec; Aristides Bakandritsos; Veronika Novotná; Radek Zbořil; Michal Otyepka

doi:10.1039/C8CC08492K

Alkynylation of graphene via the Sonogashira C–C cross-coupling reaction on fluorographene†

Demetrios D. Chronopoulos,

‡^a Miroslav Medved’,

‡^a Piotr Błoński,

^a Zdeněk Nováček,^b Petr Jakubec,^a Ondřej Tomanec,^a Aristides Bakandritsos,

^a Veronika Novotná,^b Radek Zbořil

^a and Michal Otyepka

*^a

Author affiliations

* Corresponding authors

^a Regional Centre for Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
E-mail: michal.otyepka@upol.cz

^b NenoVision s.r.o., Purkyňova 649/127, 612 00 Brno, Czech Republic

Abstract

We report successful grafting of alkynyl groups onto graphene via the Sonogashira reaction between fluorographene and terminal alkynes. Theoretical calculations revealed that fluorographene can efficiently bind and oxidize the palladium catalyst on electrophilic sites activated by fluorine atoms. This paves the way towards conductive and mechanically robust 3D covalent networks.

Chemical Communications

Alkynylation of graphene via the Sonogashira C–C cross-coupling reaction on fluorographene†

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Alkynylation of graphene via the Sonogashira C–C cross-coupling reaction on fluorographene

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