ArticleJournal of the American Chemical Society2024
Chemistry of the Au-Thiol Interface through the Lens of Single-Molecule Flicker Noise Measurements.
Article in Journal of the American Chemical Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Charge transport through linear carbon atomic chains.Nature chemistry · 2026Article
- Machine Learning-Enhanced Molecular Dynamics of 4,4'-Bipyridine in a Break Junction: A Supramolecular Origin of the High Conductance.ACS nanoscience Au · 2026Article
- Tip functionalization of anisotropic plasmonic nanoparticles with conductive polymer patches via site-selective micelle intercalation.Nature communications · 2026Article
- Mechanically Induced Switching Between Orbital- and Fano-Resonance Rectification in a Dual-Anchored Molecular Junction.Angewandte Chemie (International ed. in English) · 2026Article
- Precise Probing of Interfaces at the Single-Molecule Scale.Nanomaterials (Basel, Switzerland) · 2026Review
- Interfacial Hopping Integral as a Predictive Descriptor for Electron Transport: Saturated Alkane Junctions.Journal of the American Chemical Society · 2026Article
- Quantum Interference Effect in Saturated Systems: Effect of Anchoring Group Position on Conductance of Bipiperidines and their in-situ Derived Dithiocarbamates.Angewandte Chemie (International ed. in English) · 2025Article
- Fab' Fragment-Immobilized Gold Surface for Capturing EpCAM-Positive Breast Cancer Cells.Engineering in life sciences · 2025Article
- Forming Chemisorbed Single-Molecule Junctions through Loss of Stable Carbocations.Nano letters · 2025Article
- Binary Monolayers Formed from the Sequential Adsorption of Terphenylthiol and Dodecanethiol on Gold.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Article
- Recovery of Au(III) from electronic waste using solid phase extraction based on a magnetic nanobiocomposite, OCBs@FeMikrochimica acta · 2025Article
- Let There Be Heat: Silica-Coated Gold Nanoparticles as Photothermal Reactors for Chemical Synthesis.Accounts of chemical research · 2025Article
- Digging through the (Statistical) Dirt: A Reproducible Method for Single-Molecule Flicker Noise Analysis.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Article
- Electric Field-Induced Sequential Prototropic Tautomerism in Enzyme-like Nanopocket Created by Single Molecular Break Junction.Journal of the American Chemical Society · 2024Article
- Lewis-Acid Mediated Reactivity in Single-Molecule Junctions.Journal of the American Chemical Society · 2024Article
- Low Vapor Pressure Solvents for Single-Molecule Junction Measurements.Nano letters · 2024Article
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10 authors.
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Abstract
Chemistry of the Au-S interface at the nanoscale is one of the most complex systems to study, as the nature and strength of the Au-S bond change under different experimental conditions. In this study, using mechanically controlled break junction technique, we probed the conductance and analyzed Flicker noise for several aliphatic and aromatic thiol derivatives and thioethers. We demonstrate that Flicker noise can be used to unambiguously differentiate between stronger chemisorption (Au-SR) and weaker physisorption (Au-SRR') type interactions. The Flicker noise measurements indicate that the gold rearrangement in chemisorbed Au-SR junctions resembles that of the Au rearrangement in pure Au-Au metal contact breaking, which is independent of the molecular backbone structure and the resulting conductance. In contrast, thioethers showed the formation of a weaker physisorbed Au-SRR' type bond, and the Flicker noise measurement indicates the changes in the Au-anchoring group interface but not the Au-Au rearrangement like that in the Au-SR case. Additionally, by employing single-molecular conductance and Flicker noise analysis, we have probed the interfacial electric field-catalyzed ring-opening reaction of cyclic thioether under mild environmental conditions, which otherwise requires harsh chemical conditions for cleavage of the C-S bond. All of our conductance measurements are complemented by NEGF transport calculations. This study illustrates that the single-molecule conductance, together with the Flicker noise measurements can be used to tune and monitor chemical reactions at the single-molecule level.
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