Bias-dependent molecular-level structure of electrical double layer in ionic liquid on graphite

Jennifer M. Black; Deron Walters; Aleksander Labuda; Guang Feng; Patrick C. Hillesheim; Sheng Dai; Peter T. Cummings; Sergei V. Kalinin; Roger Proksch; Nina Balke

doi:10.1021/nl4031083

Bias-dependent molecular-level structure of electrical double layer in ionic liquid on graphite

Jennifer M. Black, Deron Walters, Aleksander Labuda, Guang Feng, Patrick C. Hillesheim, Sheng Dai, Peter T. Cummings, Sergei V. Kalinin, Roger Proksch, Nina Balke

Chemical Sciences Division

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

157 Scopus citations

Abstract

Here we report the bias-evolution of the electrical double layer structure of an ionic liquid on highly ordered pyrolytic graphite measured by atomic force microscopy. We observe reconfiguration under applied bias and the orientational transitions in the Stern layer. The synergy between molecular dynamics simulation and experiment provides a comprehensive picture of structural phenomena and long and short-range interactions, which improves our understanding of the mechanism of charge storage on a molecular level.

Original language	English
Pages (from-to)	5954-5960
Number of pages	7
Journal	Nano Letters
Volume	13
Issue number	12
DOIs	https://doi.org/10.1021/nl4031083
State	Published - Dec 11 2013

Keywords

Ionic liquid
atomic force microscopy
electrochemical double layer
force-distance curve
highly ordered pyrolytic graphite

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10.1021/nl4031083

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title = "Bias-dependent molecular-level structure of electrical double layer in ionic liquid on graphite",

abstract = "Here we report the bias-evolution of the electrical double layer structure of an ionic liquid on highly ordered pyrolytic graphite measured by atomic force microscopy. We observe reconfiguration under applied bias and the orientational transitions in the Stern layer. The synergy between molecular dynamics simulation and experiment provides a comprehensive picture of structural phenomena and long and short-range interactions, which improves our understanding of the mechanism of charge storage on a molecular level.",

keywords = "Ionic liquid, atomic force microscopy, electrochemical double layer, force-distance curve, highly ordered pyrolytic graphite",

author = "Black, {Jennifer M.} and Deron Walters and Aleksander Labuda and Guang Feng and Hillesheim, {Patrick C.} and Sheng Dai and Cummings, {Peter T.} and Kalinin, {Sergei V.} and Roger Proksch and Nina Balke",

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T1 - Bias-dependent molecular-level structure of electrical double layer in ionic liquid on graphite

AU - Black, Jennifer M.

AU - Walters, Deron

AU - Labuda, Aleksander

AU - Feng, Guang

AU - Hillesheim, Patrick C.

AU - Dai, Sheng

AU - Cummings, Peter T.

AU - Kalinin, Sergei V.

AU - Proksch, Roger

AU - Balke, Nina

PY - 2013/12/11

Y1 - 2013/12/11

N2 - Here we report the bias-evolution of the electrical double layer structure of an ionic liquid on highly ordered pyrolytic graphite measured by atomic force microscopy. We observe reconfiguration under applied bias and the orientational transitions in the Stern layer. The synergy between molecular dynamics simulation and experiment provides a comprehensive picture of structural phenomena and long and short-range interactions, which improves our understanding of the mechanism of charge storage on a molecular level.

AB - Here we report the bias-evolution of the electrical double layer structure of an ionic liquid on highly ordered pyrolytic graphite measured by atomic force microscopy. We observe reconfiguration under applied bias and the orientational transitions in the Stern layer. The synergy between molecular dynamics simulation and experiment provides a comprehensive picture of structural phenomena and long and short-range interactions, which improves our understanding of the mechanism of charge storage on a molecular level.

KW - Ionic liquid

KW - atomic force microscopy

KW - electrochemical double layer

KW - force-distance curve

KW - highly ordered pyrolytic graphite

UR - http://www.scopus.com/inward/record.url?scp=84890412210&partnerID=8YFLogxK

U2 - 10.1021/nl4031083

DO - 10.1021/nl4031083

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VL - 13

SP - 5954

EP - 5960

JO - Nano Letters

JF - Nano Letters

IS - 12

ER -

Bias-dependent molecular-level structure of electrical double layer in ionic liquid on graphite

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Keywords

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