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A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold

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A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold. / Azmi, Mandana; De Bonis, Enrico; Guin, Saurav K. et al.
In: Electrochimica Acta, Vol. 500, 144743, 01.10.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Azmi, M, De Bonis, E, Guin, SK, Ashton, L & Mertens, SFL 2024, 'A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold', Electrochimica Acta, vol. 500, 144743. https://doi.org/10.1016/j.electacta.2024.144743

APA

Azmi, M., De Bonis, E., Guin, S. K., Ashton, L., & Mertens, S. F. L. (2024). A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold. Electrochimica Acta, 500, Article 144743. https://doi.org/10.1016/j.electacta.2024.144743

Vancouver

Azmi M, De Bonis E, Guin SK, Ashton L, Mertens SFL. A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold. Electrochimica Acta. 2024 Oct 1;500:144743. Epub 2024 Jul 26. doi: 10.1016/j.electacta.2024.144743

Author

Azmi, Mandana ; De Bonis, Enrico ; Guin, Saurav K. et al. / A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold. In: Electrochimica Acta. 2024 ; Vol. 500.

Bibtex

@article{2e2c8d17decd471a888370f987ffeda3,
title = "A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold",
abstract = "The reliable integration of new nanocarbons in future molecular and hybrid electronics requires mastery of chemical binding between dissimilar materials down to the individual bond. Here, we present a detailed study of covalent grafting of aryl radicals on single crystal Au(111), and investigate their electrochemical stability and oxidative desorption. Copper underpotential deposition and Gaussian deconvolution of its current–potential trace are used to map the thermodynamic and kinetic landscape of the modified Au surface. Scanning tunnelling microscopy in a high-boiling organic solvent suggests that grafting is accompanied by vacancy island formation on the Au surface, while iodide adsorption heals these vacancies and allows high-contrast imaging of individual covalent grafts.",
author = "Mandana Azmi and {De Bonis}, Enrico and Guin, {Saurav K.} and Lorna Ashton and Mertens, {Stijn F.L.}",
year = "2024",
month = oct,
day = "1",
doi = "10.1016/j.electacta.2024.144743",
language = "English",
volume = "500",
journal = "Electrochimica Acta",
issn = "0013-4686",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - A new look at metal–carbon hybrids: molecular-scale study of covalently grafted gold

AU - Azmi, Mandana

AU - De Bonis, Enrico

AU - Guin, Saurav K.

AU - Ashton, Lorna

AU - Mertens, Stijn F.L.

PY - 2024/10/1

Y1 - 2024/10/1

N2 - The reliable integration of new nanocarbons in future molecular and hybrid electronics requires mastery of chemical binding between dissimilar materials down to the individual bond. Here, we present a detailed study of covalent grafting of aryl radicals on single crystal Au(111), and investigate their electrochemical stability and oxidative desorption. Copper underpotential deposition and Gaussian deconvolution of its current–potential trace are used to map the thermodynamic and kinetic landscape of the modified Au surface. Scanning tunnelling microscopy in a high-boiling organic solvent suggests that grafting is accompanied by vacancy island formation on the Au surface, while iodide adsorption heals these vacancies and allows high-contrast imaging of individual covalent grafts.

AB - The reliable integration of new nanocarbons in future molecular and hybrid electronics requires mastery of chemical binding between dissimilar materials down to the individual bond. Here, we present a detailed study of covalent grafting of aryl radicals on single crystal Au(111), and investigate their electrochemical stability and oxidative desorption. Copper underpotential deposition and Gaussian deconvolution of its current–potential trace are used to map the thermodynamic and kinetic landscape of the modified Au surface. Scanning tunnelling microscopy in a high-boiling organic solvent suggests that grafting is accompanied by vacancy island formation on the Au surface, while iodide adsorption heals these vacancies and allows high-contrast imaging of individual covalent grafts.

U2 - 10.1016/j.electacta.2024.144743

DO - 10.1016/j.electacta.2024.144743

M3 - Journal article

VL - 500

JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

M1 - 144743

ER -