ArticleThe journal of physical chemistry. B2021
Disentangling Sum-Frequency Generation Spectra of the Water Bending Mode at Charged Aqueous Interfaces.
Article in The journal of physical chemistry. B, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- On-Water Surface Synthesis of 2D Conjugated Metal-Organic Framework Films With Controllable Layer Orientation Enabling High-Performance Chemiresistive Sensing.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Sub-diffractional infrared absorption of two-dimensional water.Nature communications · 2026Article
- Multipolar electric and magnetic contributions to sum-frequency generation spectra reveal biaxial interfacial water structure.Nature communications · 2026Article
- Cosurfactant-Induced Disorder in Polymersome Membrane Enhances Diffusion of Cargo Molecules.ACS nano · 2026Article
- The importance of layer-dependent molecular twisting for the structural anisotropy of interfacial water.Science advances · 2026Article
- Spontaneous Appearance of Triiodide Covering the Topmost Layer of the Iodide Solution Interface Without Photo-Oxidation.Environmental science & technology · 2024Article
- Does the Sum-Frequency Generation Signal of Aromatic C-H Vibrations Reflect Molecular Orientation?The journal of physical chemistry. B · 2023Article
- True Origin of Amide I Shifts Observed in Protein Spectra Obtained with Sum Frequency Generation Spectroscopy.The journal of physical chemistry letters · 2023Article
- Ions Speciation at the Water-Air Interface.Journal of the American Chemical Society · 2023Article
- Lipid-driven condensation and interfacial ordering of FUS.Science advances · 2022Article
- Interfacial Water Structure of Binary Liquid Mixtures Reflects Nonideal Behavior.The journal of physical chemistry. B · 2021Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The origin of the sum-frequency generation (SFG) signal of the water bending mode has been controversially debated in the past decade. Unveiling the origin of the signal is essential, because different assignments lead to different views on the molecular structure of interfacial water. Here, we combine collinear heterodyne-detected SFG spectroscopy at the water-charged lipid interfaces with systematic variation of the salt concentration. The results show that the bending mode response is of a dipolar, rather than a quadrupolar, nature and allows us to disentangle the response of water in the Stern and the diffuse layers. While the diffuse layer response is identical for the oppositely charged surfaces, the Stern layer responses reflect interfacial hydrogen bonding. Our findings thus corroborate that the water bending mode signal is a suitable probe for the structure of interfacial water.
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