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Probing plasma fluorinated graphene via spectromicroscopy

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Abstract

Plasma fluorination of graphene is studied using a combination of spectroscopy and microscopy techniques, giving insight into the yield and fluorination mechanism for functionalization of supported graphene with both CF4 and SF6 gas precursors. Ion acceleration during fluorination is used to probe the effect on grafting functionalities. Adatom clustering, which occurs with CF4 plasma treatment, is suppressed when higher kinetic energy is supplied to the ions. During SF6 plasma functionalization, the sulfur atoms tend to bond to bare copper areas instead of affecting the graphene chemistry, except when the kinetic energy of the ions is restricted. Using scanning photoelectron microscopy, with a 100 nm spatial resolution, the chemical bonding environment is evaluated in the fluorinated carbon network at selected regions and the functionalization homogeneity is controlled in individual graphene flakes.

Graphical abstract: Probing plasma fluorinated graphene via spectromicroscopy

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Publication details

The article was received on 04 Aug 2017, accepted on 12 Nov 2017 and first published on 13 Nov 2017


Article type: Paper
DOI: 10.1039/C7CP05305C
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    Probing plasma fluorinated graphene via spectromicroscopy

    C. Struzzi, M. Scardamaglia, N. Reckinger, H. Sezen, M. Amati, L. Gregoratti, J.-F. Colomer, C. Ewels, R. Snyders and C. Bittencourt, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP05305C

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