ArticleChemical science2024
Visualizing partial solvation at the air-water interface.
Article in Chemical science, 2024. 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.
- Mass Spectrometry in Chiral Analysis and Synthesis.Chirality · 2026Article
- Phase-Resolved Dual Control of Phenol Photodissociation at the Air-Water Interface From Structure-Resolved Statistics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- High-Throughput Reactive Desorption Electrospray Ionization Mass Spectrometry for Targeted Derivatization and Analysis of Poorly Ionized Small Molecules.Analytical chemistry · 2026Article
- Microhydration and Interfacial Activity of Triarylmethane Dyes at the Air-Water Interface.The journal of physical chemistry. B · 2026Article
- Specific Ion Chemistry at the Air-Water Interface of Nitrite/Nitrate-Containing Droplets.Environmental science & technology · 2026Article
- Single droplet displacement infrared action spectroscopy.Nature communications · 2026Article
- Chemoselective cyclodesulfurizationChemical science · 2025Article
- High-Throughput Small-Scale Platform for Synthesis, Characterization, and Modeling of Per- and Polyfluoroalkyl Substances Analogs.Environmental science & technology letters · 2025Article
- Stirring Without Stirrers: Polymer Fouling-Driven Mass Transport Unlocks Order-of-Magnitude Gain in Electrochemiluminescence.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Mechanisms of ionization and of chemical reactions in charged microdroplets.Chemical science · 2025Review
- Rapid Exploration of Chemical Space by High-Throughput Desorption Electrospray Ionization Mass Spectrometry.Journal of the American Chemical Society · 2024Article
- Reaction acceleration at the surface of a levitated droplet by vapor dosing from a partner droplet.Chemical science · 2024Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite significant research, the mechanistic nuances of unusual reactivity at the air-water interface, especially in microdroplets, remain elusive. The likely contributors include electric fields and partial solvation at the interface. To reveal these intricacies, we measure the frequency shift of a well-defined azide vibrational probe at the air-water interface, while independently controlling the surface charge density by introducing surfactants. First, we establish the response of the probe in the bulk and demonstrate that it is sensitive to both electrostatics and hydrogen bonding. From interfacial spectroscopy we infer that the azide is neither fully hydrated nor in a completely aprotic dielectric environment; instead, it experiences an intermediate environment. In the presence of hydrogen bond-accepting sulphate surfactants, competition arises for interfacial water with the azide. However, the dominant influence stems from the electrostatic effect of their negative heads, resulting in a significant blue-shift. Conversely, for the positive ammonium surfactants, our data indicate a balanced interplay between electrostatics and hydrogen bonding, leading to a minimal shift in the probe. Our results demonstrate partial solvation at the interface and highlights that both hydrogen bonding and electrostatics may assist or oppose each other in polarizing a reactant, intermediate, or product at the interface, which is important for understanding and tuning interfacial reactivity.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.