ArticleInternational journal of molecular sciences2012
Vibrational stark effect of the electric-field reporter 4-mercaptobenzonitrile as a tool for investigating electrostatics at electrode/SAM/solution interfaces.
Article in International journal of molecular sciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Ultrasensitive SERS detectionThe Analyst · 2026Article
- Probing Voltage- and Electrolyte-Dependent Monolayer Dynamics with 2D-IR Spectroscopy.Journal of the American Chemical Society · 2025Article
- Nitrile Groups as Build-In Molecular Sensors for Interfacial Effects at Electrocatalytically Active Carbon-Nitrogen Materials.ACS applied materials & interfaces · 2025Article
- Hydrogen Bond Blueshifts in Nitrile Vibrational Spectra Are Dictated by Hydrogen Bond Geometry and Dynamics.JACS Au · 2024Article
- Phenol as a Tethering Group to Gold Surfaces: Stark Response and Comparison to Benzenethiol.The journal of physical chemistry letters · 2023Article
- Direct Vibrational Stark Shift Probe of Quasi-Fermi Level Alignment in Metal Nanoparticle Catalyst-Based Metal-Insulator-Semiconductor Junction Photoelectrodes.Journal of the American Chemical Society · 2023Article
- Deep Learning-Assisted Investigation of Electric Field-Dipole Effects on Catalytic Ammonia Synthesis.JACS Au · 2022Article
- Vibrational Stark Effects: Ionic Influence on Local Fields.The journal of physical chemistry letters · 2022Article
- Electrolyte Cation Effects on Interfacial Acidity and Electric Fields.The journal of physical chemistry. C, Nanomaterials and interfaces · 2022Article
- Interfacial Acid-Base Equilibria and Electric Fields Concurrently Probed byJournal of the American Chemical Society · 2021Article
- A Critical Evaluation of Vibrational Stark Effect (VSE) Probes with the Local Vibrational Mode Theory.Sensors (Basel, Switzerland) · 2020Article
- Inhomogeneity of Interfacial Electric Fields at Vibrational Probes on Electrode Surfaces.ACS central science · 2020Article
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6 authors.
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Abstract
4-mercaptobenzonitrile (MBN) in self-assembled monolayers (SAMs) on Au and Ag electrodes was studied by surface enhanced infrared absorption and Raman spectroscopy, to correlate the nitrile stretching frequency with the local electric field exploiting the vibrational Stark effect (VSE). Using MBN SAMs in different metal/SAM interfaces, we sorted out the main factors controlling the nitrile stretching frequency, which comprise, in addition to external electric fields, the metal-MBN bond, the surface potential, and hydrogen bond interactions. On the basis of the linear relationships between the nitrile stretching and the electrode potential, an electrostatic description of the interfacial potential distribution is presented that allows for determining the electric field strengths on the SAM surface, as well as the effective potential of zero-charge of the SAM-coated metal. Comparing this latter quantity with calculated values derived from literature data, we note a very good agreement for Au/MBN but distinct deviations for Ag/MBN which may reflect either the approximations and simplifications of the model or the uncertainty in reported structural parameters for Ag/MBN. The present electrostatic model consistently explains the electric field strengths for MBN SAMs on Ag and Au as well as for thiophenol and mercaptohexanoic acid SAMs with MBN incorporated as a VSE reporter.
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