Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization

Graphene Oxide (GO) and Reduced Graphene Oxide (rGO) are an advanced carbon materials due to their excellent properties. This article presents a facile route to synthesize GO by an electrochemical exfoliation route of pencil graphite at ambient temperature. The developed process for graphite electro...

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Autores principales: A. Loudiki, M. Matrouf, M. Azriouil, A. Farahi, S. Lahrich, M. Bakasse, M.A. El Mhammedi
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Publicado: Elsevier 2022
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spelling oai:doaj.org-article:d37c09dd2ae4487da8544db712648a492021-12-02T05:03:50ZPreparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization2666-523910.1016/j.apsadv.2021.100195https://doaj.org/article/d37c09dd2ae4487da8544db712648a492022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666523921001410https://doaj.org/toc/2666-5239Graphene Oxide (GO) and Reduced Graphene Oxide (rGO) are an advanced carbon materials due to their excellent properties. This article presents a facile route to synthesize GO by an electrochemical exfoliation route of pencil graphite at ambient temperature. The developed process for graphite electrode exfoliation has lead to a stable multi-layer dispersion of GO/rGO mixture. The exfoliated graphene solution was sonicated for 35 minutes to obtain a uniform dispersion. The prepared product was characterized by Physical (XRD, UV-Vis, FTIR) and electrochemical (CV, EIS) techniques. The product characterization using XRD resulted in the (002) graphite characteristic diffraction peak at 2θ = 26,43° matching a d-spacing of 3,37Ǻ, as the coexistence of GO at (001) reflection signal with 2θ = 11,79° and rGO at 2θ = 23,84° corresponding to a d-spacing of 8,19 and 3,73Ǻ, respectively. The performance of the prepared graphene was tested based on the results of the electrochemical parameters (charge transfer, peak intensity, and reversibility…) of the [Fe(CN)6]3−/4− redox system. This alternative method for graphene synthesis showed a good controllable oxidation level, which makes it an attractive precursor concerning sensing, by considering its interesting properties.A. LoudikiM. MatroufM. AzriouilA. FarahiS. LahrichM. BakasseM.A. El MhammediElsevierarticlePencil graphiteGrapheneElectrochemical exfoliationMaterials of engineering and construction. Mechanics of materialsTA401-492Industrial electrochemistryTP250-261ENApplied Surface Science Advances, Vol 7, Iss , Pp 100195- (2022)
institution DOAJ
collection DOAJ
language EN
topic Pencil graphite
Graphene
Electrochemical exfoliation
Materials of engineering and construction. Mechanics of materials
TA401-492
Industrial electrochemistry
TP250-261
spellingShingle Pencil graphite
Graphene
Electrochemical exfoliation
Materials of engineering and construction. Mechanics of materials
TA401-492
Industrial electrochemistry
TP250-261
A. Loudiki
M. Matrouf
M. Azriouil
A. Farahi
S. Lahrich
M. Bakasse
M.A. El Mhammedi
Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
description Graphene Oxide (GO) and Reduced Graphene Oxide (rGO) are an advanced carbon materials due to their excellent properties. This article presents a facile route to synthesize GO by an electrochemical exfoliation route of pencil graphite at ambient temperature. The developed process for graphite electrode exfoliation has lead to a stable multi-layer dispersion of GO/rGO mixture. The exfoliated graphene solution was sonicated for 35 minutes to obtain a uniform dispersion. The prepared product was characterized by Physical (XRD, UV-Vis, FTIR) and electrochemical (CV, EIS) techniques. The product characterization using XRD resulted in the (002) graphite characteristic diffraction peak at 2θ = 26,43° matching a d-spacing of 3,37Ǻ, as the coexistence of GO at (001) reflection signal with 2θ = 11,79° and rGO at 2θ = 23,84° corresponding to a d-spacing of 8,19 and 3,73Ǻ, respectively. The performance of the prepared graphene was tested based on the results of the electrochemical parameters (charge transfer, peak intensity, and reversibility…) of the [Fe(CN)6]3−/4− redox system. This alternative method for graphene synthesis showed a good controllable oxidation level, which makes it an attractive precursor concerning sensing, by considering its interesting properties.
format article
author A. Loudiki
M. Matrouf
M. Azriouil
A. Farahi
S. Lahrich
M. Bakasse
M.A. El Mhammedi
author_facet A. Loudiki
M. Matrouf
M. Azriouil
A. Farahi
S. Lahrich
M. Bakasse
M.A. El Mhammedi
author_sort A. Loudiki
title Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
title_short Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
title_full Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
title_fullStr Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
title_full_unstemmed Preparation of graphene samples via electrochemical exfoliation of pencil electrode: Physico-electrochemical Characterization
title_sort preparation of graphene samples via electrochemical exfoliation of pencil electrode: physico-electrochemical characterization
publisher Elsevier
publishDate 2022
url https://doaj.org/article/d37c09dd2ae4487da8544db712648a49
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AT mmatrouf preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
AT mazriouil preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
AT afarahi preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
AT slahrich preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
AT mbakasse preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
AT maelmhammedi preparationofgraphenesamplesviaelectrochemicalexfoliationofpencilelectrodephysicoelectrochemicalcharacterization
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