Understanding attenuated solvent reorganization energies near electrode interfaces
Abstract
In this manuscript, we examine the role of image charge effects on the electrostatic potential fluctuations experienced by ionic species in the vicinity of an electrode surface. We combine simulation and theory to quantify these fluctuations and how they vary with distance from the electrode surface. We observe that the potential distribution narrows significantly for species within a few electrolyte screening lengths of the electrode. We attribute this narrowing to the effects of image charge fluctuations originating from the polarization response of the electrode. We show that the physical consequences of these image charge effects can be captured in the context of a simple analytical field theory with anti-symmetric boundary conditions. We contextualize these results by discussing their implications for rates of Marcus-like outer-sphere interfacial electron transfer.
- Authors:
-
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1803240
- Alternate Identifier(s):
- OSTI ID: 1605300
- Grant/Contract Number:
- SC0018094
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Chemical Physics
- Additional Journal Information:
- Journal Volume: 152; Journal Issue: 11; Journal ID: ISSN 0021-9606
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Chemistry; Physics
Citation Formats
Limaye, Aditya M., Ding, Wendu, and Willard, Adam P. Understanding attenuated solvent reorganization energies near electrode interfaces. United States: N. p., 2020.
Web. doi:10.1063/5.0003428.
Limaye, Aditya M., Ding, Wendu, & Willard, Adam P. Understanding attenuated solvent reorganization energies near electrode interfaces. United States. https://doi.org/10.1063/5.0003428
Limaye, Aditya M., Ding, Wendu, and Willard, Adam P. Wed .
"Understanding attenuated solvent reorganization energies near electrode interfaces". United States. https://doi.org/10.1063/5.0003428. https://www.osti.gov/servlets/purl/1803240.
@article{osti_1803240,
title = {Understanding attenuated solvent reorganization energies near electrode interfaces},
author = {Limaye, Aditya M. and Ding, Wendu and Willard, Adam P.},
abstractNote = {In this manuscript, we examine the role of image charge effects on the electrostatic potential fluctuations experienced by ionic species in the vicinity of an electrode surface. We combine simulation and theory to quantify these fluctuations and how they vary with distance from the electrode surface. We observe that the potential distribution narrows significantly for species within a few electrolyte screening lengths of the electrode. We attribute this narrowing to the effects of image charge fluctuations originating from the polarization response of the electrode. We show that the physical consequences of these image charge effects can be captured in the context of a simple analytical field theory with anti-symmetric boundary conditions. We contextualize these results by discussing their implications for rates of Marcus-like outer-sphere interfacial electron transfer.},
doi = {10.1063/5.0003428},
journal = {Journal of Chemical Physics},
number = 11,
volume = 152,
place = {United States},
year = {Wed Mar 18 00:00:00 EDT 2020},
month = {Wed Mar 18 00:00:00 EDT 2020}
}
Web of Science
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