Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid

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Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid. / Hamill, Joseph; Zhour, Kazem; Diddens, Diddo; Baghernejad, Masoud.

I: Electrochemistry Communications, Bind 140, 107332, 2022.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Hamill, J, Zhour, K, Diddens, D & Baghernejad, M 2022, 'Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid', Electrochemistry Communications, bind 140, 107332. https://doi.org/10.1016/j.elecom.2022.107332

APA

Hamill, J., Zhour, K., Diddens, D., & Baghernejad, M. (2022). Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid. Electrochemistry Communications, 140, [107332]. https://doi.org/10.1016/j.elecom.2022.107332

Vancouver

Hamill J, Zhour K, Diddens D, Baghernejad M. Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid. Electrochemistry Communications. 2022;140. 107332. https://doi.org/10.1016/j.elecom.2022.107332

Author

Hamill, Joseph ; Zhour, Kazem ; Diddens, Diddo ; Baghernejad, Masoud. / Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid. I: Electrochemistry Communications. 2022 ; Bind 140.

Bibtex

@article{b8a554c6dff148fd8e12683664c2ba56,

title = "Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid",

abstract = "We report in this communication, through in situ STM images correlated with time, and ab initio simulations of binding energies, how potential-induced surface reconstruction is formed on Au(1 1 1) single crystal in 0.1 M H2SO4. It was found that while the electrode potential after lifting the reconstructed surface is switched back to a more negative value than the potential of zero charge, the formation process of the reconstructed surface goes through two consecutive routes. In the more kinetically favorable step, and within a few minutes, the reconstructed surface follows three different lattice directions with a high proportion of semi zig-zag structures. However, by maintaining the negative applied potential, the surface reconstruction rearranges to a straighter reconstructed pattern in the second step, which is more energetically favorable.",

keywords = "Ab initio simulations, Au(1 1 1), Electrochemistry, Surface dynamic, Surface reconstruction",

author = "Joseph Hamill and Kazem Zhour and Diddo Diddens and Masoud Baghernejad",

note = "Publisher Copyright: {\textcopyright} 2022 The Author(s)",

year = "2022",

doi = "10.1016/j.elecom.2022.107332",

language = "English",

volume = "140",

journal = "Electrochemistry Communications",

issn = "1388-2481",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Significant two-step potential-induced surface reconstruction observed on Au(1 1 1) in aqueous sulfuric acid

AU - Hamill, Joseph

AU - Zhour, Kazem

AU - Diddens, Diddo

AU - Baghernejad, Masoud

PY - 2022

Y1 - 2022

N2 - We report in this communication, through in situ STM images correlated with time, and ab initio simulations of binding energies, how potential-induced surface reconstruction is formed on Au(1 1 1) single crystal in 0.1 M H2SO4. It was found that while the electrode potential after lifting the reconstructed surface is switched back to a more negative value than the potential of zero charge, the formation process of the reconstructed surface goes through two consecutive routes. In the more kinetically favorable step, and within a few minutes, the reconstructed surface follows three different lattice directions with a high proportion of semi zig-zag structures. However, by maintaining the negative applied potential, the surface reconstruction rearranges to a straighter reconstructed pattern in the second step, which is more energetically favorable.

AB - We report in this communication, through in situ STM images correlated with time, and ab initio simulations of binding energies, how potential-induced surface reconstruction is formed on Au(1 1 1) single crystal in 0.1 M H2SO4. It was found that while the electrode potential after lifting the reconstructed surface is switched back to a more negative value than the potential of zero charge, the formation process of the reconstructed surface goes through two consecutive routes. In the more kinetically favorable step, and within a few minutes, the reconstructed surface follows three different lattice directions with a high proportion of semi zig-zag structures. However, by maintaining the negative applied potential, the surface reconstruction rearranges to a straighter reconstructed pattern in the second step, which is more energetically favorable.

KW - Ab initio simulations

KW - Au(1 1 1)

KW - Electrochemistry

KW - Surface dynamic

KW - Surface reconstruction

U2 - 10.1016/j.elecom.2022.107332

DO - 10.1016/j.elecom.2022.107332

M3 - Journal article

AN - SCOPUS:85134882373

VL - 140

JO - Electrochemistry Communications

JF - Electrochemistry Communications

SN - 1388-2481

M1 - 107332

ER -

ID: 322639085

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