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Functionalization of Hydrogenated Chemical Vapour Deposition-Grown Graphene by On-Surface Chemical Reactions
- 1.0474217 - ÚFCH JH 2018 RIV DE eng J - Journal Article
Drogowska, Karolina - Kovaříček, Petr - Kalbáč, Martin
Functionalization of Hydrogenated Chemical Vapour Deposition-Grown Graphene by On-Surface Chemical Reactions.
Chemistry - A European Journal. Roč. 23, č. 17 (2017), s. 4073-4078. ISSN 0947-6539. E-ISSN 1521-3765
R&D Projects: GA MŠMT LL1301; GA MŠMT(CZ) LM2015073
Grant - others:AVČR PPPLZ(CZ) L200401551
Institutional support: RVO:61388955
Keywords : functionalization * graphene * hydrogenation * Raman spectroscopy
OECD category: Physical chemistry
Impact factor: 5.160, year: 2017
The reactivity of hydrogenated graphene when treated with oxidising agents, KMnO4 and KIO4, as well as alkylated with benzyl bromide (BnBr) was studied. The probed reactions are strictly limited to the partly hydrogenated form of graphene in which most of the hydrogen atoms are located in activated benzylic/allylic positions. This, in turn, clearly demonstrates the presence of hydrogen attached to the graphene lattice. Attachment of the benzyl group was also unequivocally demonstrated by characteristic vibrations recorded in the surface-enhanced Raman spectra, and all reactions were shown to proceed solely on hydrogenated graphene as evidenced by the comparison with pristine chemical vapour deposition-grown graphene.
Permanent Link: http://hdl.handle.net/11104/0271334
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