Mechanistic insights into the halogenated solvent effect on the Au–S bond cleavage

The Au-S bond cleavage in halogenated solvents is facilitated by competition between Au-X and Au-S interactions, occurring through attacks by intact solvent molecules and radical dehalogenated fragments. This dual-action mechanism clarifies previously contradictory observations and provides a fundamental basis for the precise control of molecule-electrode contacts.

Authors

Yirong Zhang (ORCID: https://orcid.org/0000-0002-1026-5569)
Wei Liu (ORCID: https://orcid.org/0000-0002-9302-8170)
Sha Yang (ORCID: https://orcid.org/0000-0002-9885-5845)

Institutions

Chinese Academy of Sciences (CN)
Nanjing University of Science and Technology (CN)
Changchun Institute of Applied Chemistry (CN)

Publication Details

Journal: Chemical Communications
Published: 2025-12-12
DOI: https://doi.org/10.1039/d5cc06488k
Primary Topic: Molecular Junctions and Nanostructures
Type: article
Field-Weighted Citation Impact: 0.00

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article

Mechanistic insights into the halogenated solvent effect on the Au–S bond cleavage

Yirong Zhang, Wei Liu, Sha Yang

Dec 12, 2025

Chemical Communications

Molecular Junctions and Nanostructures

article

Mechanistic insights into the halogenated solvent effect on the Au–S bond cleavage

Yirong Zhang, Wei Liu, Sha Yang

December 12, 2025article en

Abstract

The Au-S bond cleavage in halogenated solvents is facilitated by competition between Au-X and Au-S interactions, occurring through attacks by intact solvent molecules and radical dehalogenated fragments. This dual-action mechanism clarifies previously contradictory observations and provides a fundamental basis for the precise control of molecule-electrode contacts.

Chemical CommunicationsVol. 62(5)

Chinese Academy of Sciences (CN), Nanjing University of Science and Technology (CN), Changchun Institute of Applied Chemistry (CN)

Openalex Percentile: Top 60%

Molecular Junctions and Nanostructures

DOI Source OpenAlex

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