ArticleNanoscale2017
Ionic selectivity and filtration from fragmented dehydration in multilayer graphene nanopores.
Article in Nanoscale, 2017. 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.
- Role of Ion Dehydration in Ion-Ion Selectivity of Dense Membranes.Environmental science & technology · 2025Review
- Ion Selectivity, Current, and Water Flow Regulation in TiNano letters · 2024Article
- On the Choice of Different Water Model in Molecular Dynamics Simulations of Nanopore Transport Phenomena.Membranes · 2022Article
- Diffusion Limitations and Translocation Barriers in Atomically Thin Biomimetic Pores.Entropy (Basel, Switzerland) · 2020Article
- Towards single-species selectivity of membranes with subnanometre pores.Nature nanotechnology · 2020Review
- Optimal transport and colossal ionic mechano-conductance in graphene crown ethers.Science advances · 2019Article
- Colloquium: Ionic phenomena in nanoscale pores through 2D materials.Reviews of modern physics · 2019Article
- Ion transport through a nanoporous CRSC advances · 2018Article
- Golden aspect ratio for ion transport simulation in nanopores.Physical review. E · 2018Article
- Maxwell-Hall access resistance in graphene nanopores.Physical chemistry chemical physics : PCCP · 2018Article
- Dehydration as a Universal Mechanism for Ion Selectivity in Graphene and Other Atomically Thin Pores.Nano letters · 2017Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
Selective ion transport is a hallmark of biological ion channel behavior but is a major challenge to engineer into artificial membranes. Here, we demonstrate, with all-atom molecular dynamics simulations, that bare graphene nanopores yield measurable ion selectivity that varies over one to two orders of magnitude simply by changing the pore radius and number of graphene layers. Monolayer graphene does not display dehydration-induced selectivity until the pore radius is small enough to exclude the first hydration layer from inside the pore. Bi- and tri-layer graphene, though, display such selectivity already for a pore size that barely encroaches on the first hydration layer, which is due to the more significant water loss from the second hydration layer. Measurement of selectivity and activation barriers from both first and second hydration layer barriers will help elucidate the behavior of biological ion channels. Moreover, the energy barriers responsible for selectivity - while small on the scale of hydration energies - are already relatively large, i.e., many k
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Registered trials
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