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Structural correlations in heterogeneous electron transfer at monolayer and multilayer graphene electrodes
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Guell, Aleix G., Ebejer, Neil, Snowden, Michael E., Macpherson, Julie V. and Unwin, Patrick R. (2012) Structural correlations in heterogeneous electron transfer at monolayer and multilayer graphene electrodes. Journal of the American Chemical Society, Volume 134 (Number 17). pp. 7258-7261. doi:10.1021/ja3014902 ISSN 0002-7863.
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WRAP_Guell, JACS, 2012.pdf - Accepted Version Download (1005Kb) | Preview |
Official URL: http://dx.doi.org/10.1021/ja3014902
Abstract
As a new form of carbon, graphene is attracting intense interest as an electrode material with widespread applications. In the present study, the heterogeneous electron transfer (ET) activity of graphene is investigated using scanning electrochemical cell microscopy (SECCM), which allows electrochemical currents to be mapped at high spatial resolution across a surface for correlation with the corresponding structure and properties of the graphene surface. We establish that the rate of heterogeneous ET at graphene increases systematically with the number of graphene layers, and show that the stacking in multilayers also has a subtle influence on ET kinetics. © 2012 American Chemical Society.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Charge exchange, Electrodes, Graphene, Electrochemistry | ||||
Journal or Publication Title: | Journal of the American Chemical Society | ||||
Publisher: | American Chemical Society | ||||
ISSN: | 0002-7863 | ||||
Official Date: | 2 May 2012 | ||||
Dates: |
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Volume: | Volume 134 | ||||
Number: | Number 17 | ||||
Page Range: | pp. 7258-7261 | ||||
DOI: | 10.1021/ja3014902 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 23 December 2015 | ||||
Date of first compliant Open Access: | 23 December 2015 | ||||
Funder: | European Research Council (ERC), Marie Curie Intra-European Fellowship (IEF), Engineering and Physical Sciences Research Council (EPSRC), National Physical Laboratory (Great Britain) | ||||
Grant number: | ERC-2009-AdG 247143-QUANTIF (ERC), 236885 (IEF), EP/H023909/1 (EPSRC) |
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