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The Intersection of Interfacial Forces and Electrochemical Reactions

Israelachvili, Jacob N. and Kristiansen, Kai and Gebbie, Matthew A. and Lee, Dong Woog and Donaldson, Stephen H. Jr. and Das, Saurabh and Rapp, Michael V. and Banquy, Xavier and Valtiner, Markus and Yu, Jing (2013) The Intersection of Interfacial Forces and Electrochemical Reactions. Journal of Physical Chemistry B, 117 (51). pp. 16369-16387. ISSN 1520-6106.

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We review recent developments in experimental techniques that simultaneously combine measurements of the interaction forces or energies between two extended surfaces immersed in electrolyte solutions—primarily aqueous—with simultaneous monitoring of their (electro)chemical reactions and controlling the electrochemical surface potential of at least one of the surfaces. Combination of these complementary techniques allows for simultaneous real time monitoring of angstrom level changes in surface thickness and roughness, surface–surface interaction energies, and charge and mass transferred via electrochemical reactions, dissolution, and adsorption, and/or charging of electric double layers. These techniques employ the surface forces apparatus (SFA) combined with various “electrochemical attachments” for in situ measurements of various physical and (electro)chemical properties (e.g., cyclic voltammetry), optical imaging, and electric potentials and currents generated naturally during an interaction, as well as when electric fields (potential differences) are applied between the surfaces and/or solution—in some cases allowing for the chemical reaction equation to be unambiguously determined. We discuss how the physical interactions between two different surfaces when brought close to each other (<10 nm) can affect their chemistry, and suggest further extensions of these techniques to biological systems and simultaneous in situ spectroscopic measurements for chemical analysis.

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Additional Information:© 2013 American Chemical Society. Publication Date (Web): November 15, 2013. Received: August 14, 2013. Revised: November 13, 2013. This research was supported by the Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Award DE-FG02-87ER-45331 (development of the SFA and electrochemical attachment, and the normal, adhesion, and lateral, friction force measurements); the National Science Foundation NSF grant CHE-1059108; partially supported by the MRSEC Program of the National Science Foundation under Award No. DMR 1121053, and also sponsored by the UCSB Institute for Collaborative Biotechnologies Grant W911NF-09-D-000 from the U.S. Army Research Office (the content of the information does not necessarily reflect the position or the policy of the Government, and no official endorsement should be inferred). The authors declare no competing financial interest.
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Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and EngineeringDE-FG02-87ER-45331
Army Research Office (ARO) Institute for Collaborative BiotechnologiesW911NF-09-D-000
Issue or Number:51
Record Number:CaltechAUTHORS:20140203-151010029
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Official Citation: The Intersection of Interfacial Forces and Electrochemical Reactions Jacob N. Israelachvili, Kai Kristiansen, Matthew A. Gebbie, Dong Woog Lee, Stephen H. Donaldson, Jr., Saurabh Das, Michael V. Rapp, Xavier Banquy, Markus Valtiner, and Jing Yu The Journal of Physical Chemistry B 2013 117 (51), 16369-16387
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:43628
Deposited By: Ruth Sustaita
Deposited On:03 Feb 2014 23:45
Last Modified:03 Oct 2019 06:09

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