The Intersection of Interfacial Forces and Electrochemical Reactions
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- 作者：Jacob N. Israelachvili ; Kai Kristiansen ; Matthew A. Gebbie ; Dong Woog Lee ; Stephen H. Donaldson ; Jr. ; Saurabh Das ; Michael V. Rapp ; Xavier Banquy ; Markus Valtiner ; Jing Yu
- 刊名：Journal of Physical Chemistry B
- 出版年：2013
- 出版时间：December 27, 2013
- 年：2013
- 卷：117
- 期：51
- 页码：16369-16387
- 全文大小：982K
- ISSN：1520-5207
文摘
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鈥攑rimarily aqueous鈥攚ith 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鈥搒urface 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 鈥渆lectrochemical attachments鈥?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鈥攊n 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.