ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2007
Water Dynamics in Nafion Fuel Cell Membranes: the Effects of Confinement and Structural Changes on the Hydrogen Bond Network.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Dynamics of Solvating Water As a Probe of Polymers and Supramolecular Structures.Chemical reviews · 2026Review
- Synthesis and Characterization of 4-Indolylcyanamide: A Potential IR Probe for Local Environment.Molecules (Basel, Switzerland) · 2025Article
- Electromagnetic Field Stimulation Effects on Intrinsically Disordered Proteins and Their Role in Aging and Neurodegeneration.Journal of biomedical science and engineering · 2025Article
- Nanosized Water Channels Associated with Hydrophobic and Hydrophilic Fibrillar Arrangements Formed on Nafion Surfaces in Confined Regions.ACS omega · 2024Article
- Article
- Investigation of the Vibrational Characteristics of 6-Isocyano-1-Methyl-1H-Indole: Utilizing the Isonitrile Group as an Infrared Probe.Molecules (Basel, Switzerland) · 2023Article
- Article
- Article
- Tuning Water Networks via Ionic Liquid/Water Mixtures.International journal of molecular sciences · 2020Article
- Do Osmolytes Impact the Structure and Dynamics of Myoglobin?Molecules (Basel, Switzerland) · 2018Article
- Effect of Elevated Temperatures on the States of Water and Their Correlation with the Proton Conductivity of Nafion.ACS omega · 2018Article
- Picosecond orientational dynamics of water in living cells.Nature communications · 2017Article
- Dynamics of water interacting with interfaces, molecules, and ions.Accounts of chemical research · 2012Article
- Vibrational spectroscopy of water in hydrated lipid multi-bilayers. II. Two-dimensional infrared and peak shift observables within different theoretical approximations.The Journal of chemical physics · 2011Article
- Vibrational spectroscopy of water in hydrated lipid multi-bilayers. I. Infrared spectra and ultrafast pump-probe observables.The Journal of chemical physics · 2011Article
- Water dynamics at neutral and ionic interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Water dynamics at the interface in AOT reverse micelles.The journal of physical chemistry. B · 2009Article
- Water dynamics and interactions in water-polyether binary mixtures.Journal of the American Chemical Society · 2009Article
- Ion-water hydrogen-bond switching observed with 2D IR vibrational echo chemical exchange spectroscopy.Proceedings of the National Academy of Sciences of the United States of America · 2009Article
- Water at the surfaces of aligned phospholipid multibilayer model membranes probed with ultrafast vibrational spectroscopy.Journal of the American Chemical Society · 2008Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
The complex environments experienced by water molecules in the hydrophilic channels of Nafion membranes are studied by ultrafast infrared pump-probe spectroscopy. A wavelength dependent study of the vibrational lifetime of the O-D stretch of dilute HOD in H(2)O confined in Nafion membranes provides evidence of two distinct ensembles of water molecules. While only two ensembles are present at each level of membrane hydration studied, the characteristics of the two ensembles change as the water content of the membrane changes. Time dependent anisotropy measurements show that the orientational motions of water molecules in Nafion membranes are significantly slower than in bulk water and that lower hydration levels result in slower orientational relaxation. Initial wavelength dependent results for the anisotropy show no clear variation in the time scale for orientational motion across a broad range of frequencies. The anisotropy decay is analyzed using a model based on restricted orientational diffusion within a hydrogen bond configuration followed by total reorientation through jump diffusion.
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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.