In-situ Raman spectroscopy to elucidate the influence of adsorption in graphene electrochemistry

Wesley T. E. van den Beld, Mathieu Odijk, Rene H. J. Vervuurt, Jan-Willem Weber, Ageeth A. Bol, Albert van den Berg, Jan C. T. Eijkel

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Abstract

Electrochemistry on graphene is of particular interest due to graphene’s high surface area, high electrical conductivity and low interfacial capacitance. Because the graphene Fermi level can be probed by its strong Raman signal, information on the graphene doping can be obtained which in turn can provide information on adsorbed atoms or molecules. For this paper, the adsorption analysis was successfully performed using three electroactive substances with different electrode interaction mechanisms: hexaammineruthenium(III) chloride (RuHex), ferrocenemethanol (FcMeOH) and potassium ferricyanide/potassium ferrocyanide (Fe(CN)6). The adsorption state was probed by analysing the G-peak position in the measured in-situ Raman spectrum during electrochemical experiments. We conclude that electrochemical Raman spectroscopy on graphene is a valuable tool to obtain in-situ information on adsorbed species on graphene, isolated from the rest of the electrochemical behaviour.
Original languageEnglish
Article number45080
JournalScientific reports
Volume7
DOIs
Publication statusPublished - 24 Mar 2017

Cite this

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title = "In-situ Raman spectroscopy to elucidate the influence of adsorption in graphene electrochemistry",
abstract = "Electrochemistry on graphene is of particular interest due to graphene’s high surface area, high electrical conductivity and low interfacial capacitance. Because the graphene Fermi level can be probed by its strong Raman signal, information on the graphene doping can be obtained which in turn can provide information on adsorbed atoms or molecules. For this paper, the adsorption analysis was successfully performed using three electroactive substances with different electrode interaction mechanisms: hexaammineruthenium(III) chloride (RuHex), ferrocenemethanol (FcMeOH) and potassium ferricyanide/potassium ferrocyanide (Fe(CN)6). The adsorption state was probed by analysing the G-peak position in the measured in-situ Raman spectrum during electrochemical experiments. We conclude that electrochemical Raman spectroscopy on graphene is a valuable tool to obtain in-situ information on adsorbed species on graphene, isolated from the rest of the electrochemical behaviour.",
author = "{van den Beld}, {Wesley T. E.} and Mathieu Odijk and Vervuurt, {Rene H. J.} and Jan-Willem Weber and Bol, {Ageeth A.} and {van den Berg}, Albert and Eijkel, {Jan C. T.}",
year = "2017",
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doi = "10.1038/srep45080",
language = "English",
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In-situ Raman spectroscopy to elucidate the influence of adsorption in graphene electrochemistry. / van den Beld, Wesley T. E.; Odijk, Mathieu; Vervuurt, Rene H. J.; Weber, Jan-Willem; Bol, Ageeth A.; van den Berg, Albert; Eijkel, Jan C. T.

In: Scientific reports, Vol. 7, 45080, 24.03.2017.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - In-situ Raman spectroscopy to elucidate the influence of adsorption in graphene electrochemistry

AU - van den Beld, Wesley T. E.

AU - Odijk, Mathieu

AU - Vervuurt, Rene H. J.

AU - Weber, Jan-Willem

AU - Bol, Ageeth A.

AU - van den Berg, Albert

AU - Eijkel, Jan C. T.

PY - 2017/3/24

Y1 - 2017/3/24

N2 - Electrochemistry on graphene is of particular interest due to graphene’s high surface area, high electrical conductivity and low interfacial capacitance. Because the graphene Fermi level can be probed by its strong Raman signal, information on the graphene doping can be obtained which in turn can provide information on adsorbed atoms or molecules. For this paper, the adsorption analysis was successfully performed using three electroactive substances with different electrode interaction mechanisms: hexaammineruthenium(III) chloride (RuHex), ferrocenemethanol (FcMeOH) and potassium ferricyanide/potassium ferrocyanide (Fe(CN)6). The adsorption state was probed by analysing the G-peak position in the measured in-situ Raman spectrum during electrochemical experiments. We conclude that electrochemical Raman spectroscopy on graphene is a valuable tool to obtain in-situ information on adsorbed species on graphene, isolated from the rest of the electrochemical behaviour.

AB - Electrochemistry on graphene is of particular interest due to graphene’s high surface area, high electrical conductivity and low interfacial capacitance. Because the graphene Fermi level can be probed by its strong Raman signal, information on the graphene doping can be obtained which in turn can provide information on adsorbed atoms or molecules. For this paper, the adsorption analysis was successfully performed using three electroactive substances with different electrode interaction mechanisms: hexaammineruthenium(III) chloride (RuHex), ferrocenemethanol (FcMeOH) and potassium ferricyanide/potassium ferrocyanide (Fe(CN)6). The adsorption state was probed by analysing the G-peak position in the measured in-situ Raman spectrum during electrochemical experiments. We conclude that electrochemical Raman spectroscopy on graphene is a valuable tool to obtain in-situ information on adsorbed species on graphene, isolated from the rest of the electrochemical behaviour.

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DO - 10.1038/srep45080

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VL - 7

JO - Scientific reports

JF - Scientific reports

SN - 2045-2322

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