Fluorination of suspended graphene

Claudia  Struzzi; Mattia Scardamaglia; Nicolas Reckinger; Jean-François Colomer; Hikmet Sezen; Matteo Amati; Luca Gregoratti; Rony Snyders; Carla Bittencourt

doi:10.1007/s12274-017-1532-4

Fluorination of suspended graphene

Claudia Struzzi, Mattia Scardamaglia, Nicolas Reckinger, Jean-François Colomer, Hikmet Sezen, Matteo Amati, Luca Gregoratti, Rony Snyders, Carla Bittencourt

Research output: Contribution to journal › Article › peer-review

Abstract

Suspended graphene is exposed to different fluorine-containing species produced by a plasma source fed with CF ₄ precursor gas. We investigate the fluorination process by selecting two different kinetic energies for the ions striking the graphene surface. The chemical-bonding environment is discussed, and the control of the graphene-fluorination homogeneity is investigated at the individual graphene sheets. The modifications of the electronic and structural properties are examined by scanning photoelectron microscopy, micro-Raman analysis, and scanning electron microscopy. The results are compared with those obtained for supported graphene on copper. Suspended graphene provides a quasi-ideal model for investigating the intrinsic properties of irradiated carbon nano-systems while avoiding damage due to backscattered atoms and recoil due to a supporting substrate. [Figure not available: see fulltext.].

Original language	English
Pages (from-to)	3151-3163
Number of pages	13
Journal	Nano Research
Volume	10
Issue number	9
DOIs	https://doi.org/10.1007/s12274-017-1532-4
Publication status	Published - 2017

Keywords

Raman
X-ray photoelectron spectroscopy (XPS)
fluorination
graphene
scanning electron microscopy (SEM)
spectromicroscopy

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10.1007/s12274-017-1532-4

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title = "Fluorination of suspended graphene",

abstract = "Suspended graphene is exposed to different fluorine-containing species produced by a plasma source fed with CF 4 precursor gas. We investigate the fluorination process by selecting two different kinetic energies for the ions striking the graphene surface. The chemical-bonding environment is discussed, and the control of the graphene-fluorination homogeneity is investigated at the individual graphene sheets. The modifications of the electronic and structural properties are examined by scanning photoelectron microscopy, micro-Raman analysis, and scanning electron microscopy. The results are compared with those obtained for supported graphene on copper. Suspended graphene provides a quasi-ideal model for investigating the intrinsic properties of irradiated carbon nano-systems while avoiding damage due to backscattered atoms and recoil due to a supporting substrate. [Figure not available: see fulltext.]. ",

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T1 - Fluorination of suspended graphene

AU - Struzzi, Claudia

AU - Scardamaglia, Mattia

AU - Reckinger, Nicolas

AU - Colomer, Jean-François

AU - Sezen, Hikmet

AU - Amati, Matteo

AU - Gregoratti, Luca

AU - Snyders, Rony

AU - Bittencourt, Carla

PY - 2017

Y1 - 2017

N2 - Suspended graphene is exposed to different fluorine-containing species produced by a plasma source fed with CF 4 precursor gas. We investigate the fluorination process by selecting two different kinetic energies for the ions striking the graphene surface. The chemical-bonding environment is discussed, and the control of the graphene-fluorination homogeneity is investigated at the individual graphene sheets. The modifications of the electronic and structural properties are examined by scanning photoelectron microscopy, micro-Raman analysis, and scanning electron microscopy. The results are compared with those obtained for supported graphene on copper. Suspended graphene provides a quasi-ideal model for investigating the intrinsic properties of irradiated carbon nano-systems while avoiding damage due to backscattered atoms and recoil due to a supporting substrate. [Figure not available: see fulltext.].

AB - Suspended graphene is exposed to different fluorine-containing species produced by a plasma source fed with CF 4 precursor gas. We investigate the fluorination process by selecting two different kinetic energies for the ions striking the graphene surface. The chemical-bonding environment is discussed, and the control of the graphene-fluorination homogeneity is investigated at the individual graphene sheets. The modifications of the electronic and structural properties are examined by scanning photoelectron microscopy, micro-Raman analysis, and scanning electron microscopy. The results are compared with those obtained for supported graphene on copper. Suspended graphene provides a quasi-ideal model for investigating the intrinsic properties of irradiated carbon nano-systems while avoiding damage due to backscattered atoms and recoil due to a supporting substrate. [Figure not available: see fulltext.].

KW - Raman

KW - X-ray photoelectron spectroscopy (XPS)

KW - fluorination

KW - graphene

KW - scanning electron microscopy (SEM)

KW - spectromicroscopy

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JO - Nano Research

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Fluorination of suspended graphene

Abstract

Keywords

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