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Electrochemistry of individual monolayer graphene sheets.
ACS Nano. 2011 Mar 22; 5(3):2264-70.AN

Abstract

We report on the fabrication and measurement of devices designed to study the electrochemical behavior of individual monolayer graphene sheets as electrodes. We have examined both mechanically exfoliated and chemical vapor deposited (CVD) graphene. The effective device areas, determined from cyclic voltammetric measurements, show good agreement with the geometric area of the graphene sheets, indicating that the redox reactions occur on clean graphene surfaces. The electron transfer rates of ferrocenemethanol at both types of graphene electrodes were found to be more than 10-fold faster than at the basal plane of bulk graphite, which we ascribe to corrugations in the graphene sheets. We further describe an electrochemical investigation of adsorptive phenomena on graphene surfaces. Our results show that electrochemistry can provide a powerful means of investigating the interactions between molecules and the surfaces of graphene sheets as electrodes.

Authors+Show Affiliations

Department of Physics and Kavli Institute at Cornell, Cornell University, Ithaca, NY 14853, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

21332139

Citation

Li, Wan, et al. "Electrochemistry of Individual Monolayer Graphene Sheets." ACS Nano, vol. 5, no. 3, 2011, pp. 2264-70.
Li W, Tan C, Lowe MA, et al. Electrochemistry of individual monolayer graphene sheets. ACS Nano. 2011;5(3):2264-70.
Li, W., Tan, C., Lowe, M. A., Abruña, H. D., & Ralph, D. C. (2011). Electrochemistry of individual monolayer graphene sheets. ACS Nano, 5(3), 2264-70. https://doi.org/10.1021/nn103537q
Li W, et al. Electrochemistry of Individual Monolayer Graphene Sheets. ACS Nano. 2011 Mar 22;5(3):2264-70. PubMed PMID: 21332139.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Electrochemistry of individual monolayer graphene sheets. AU - Li,Wan, AU - Tan,Cen, AU - Lowe,Michael A, AU - Abruña,Héctor D, AU - Ralph,Daniel C, Y1 - 2011/02/18/ PY - 2011/2/22/entrez PY - 2011/2/22/pubmed PY - 2011/8/2/medline SP - 2264 EP - 70 JF - ACS nano JO - ACS Nano VL - 5 IS - 3 N2 - We report on the fabrication and measurement of devices designed to study the electrochemical behavior of individual monolayer graphene sheets as electrodes. We have examined both mechanically exfoliated and chemical vapor deposited (CVD) graphene. The effective device areas, determined from cyclic voltammetric measurements, show good agreement with the geometric area of the graphene sheets, indicating that the redox reactions occur on clean graphene surfaces. The electron transfer rates of ferrocenemethanol at both types of graphene electrodes were found to be more than 10-fold faster than at the basal plane of bulk graphite, which we ascribe to corrugations in the graphene sheets. We further describe an electrochemical investigation of adsorptive phenomena on graphene surfaces. Our results show that electrochemistry can provide a powerful means of investigating the interactions between molecules and the surfaces of graphene sheets as electrodes. SN - 1936-086X UR - https://www.unboundmedicine.com/medline/citation/21332139/Electrochemistry_of_individual_monolayer_graphene_sheets_ L2 - https://doi.org/10.1021/nn103537q DB - PRIME DP - Unbound Medicine ER -