ArticleACS nano2017
Extrinsic Cation Selectivity of 2D Membranes.
Article in ACS nano, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Time of flight secondary ion mass spectrometry imaging of contaminant species in chemical vapour deposited graphene on copper.Beilstein journal of nanotechnology · 2026Article
- Proton Selective Nanoporous Atomically Thin Graphene Membranes for Vanadium Redox Flow Batteries.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Electrostatic-driven dehydration of ions in nanoporous membranes.Science advances · 2025Article
- PEI-Reinforced GO/g-CACS omega · 2025Article
- Efficient separation of MgRSC advances · 2025Article
- Graphene Nanopore Fabrication and Applications.International journal of molecular sciences · 2025Review
- Fabrication of angstrom-scale two-dimensional channels for mass transport.Nature protocols · 2024Review
- Ultrafast rectifying counter-directional transport of proton and metal ions in metal-organic framework-based nanochannels.Science advances · 2022Article
- Nanofluidic osmotic power generators - advanced nanoporous membranes and nanochannels for blue energy harvesting.Chemical science · 2021Review
- Prospects of Observing Ionic Coulomb Blockade in Artificial Ion Confinements.Entropy (Basel, Switzerland) · 2020Article
- Diffusion Limitations and Translocation Barriers in Atomically Thin Biomimetic Pores.Entropy (Basel, Switzerland) · 2020Article
- Mechanically activated ionic transport across single-digit carbon nanotubes.Nature materials · 2020Article
- Tunable Anion-Selective Transport through Monolayer Graphene and Hexagonal Boron Nitride.ACS nano · 2020Article
- Nanofluidics coming of age.Nature materials · 2020Article
- Rectification of protein translocation in truncated pyramidal nanopores.Nature nanotechnology · 2019Article
- Aqueous proton-selective conduction across two-dimensional graphyne.Nature communications · 2019Article
- Colloquium: Ionic phenomena in nanoscale pores through 2D materials.Reviews of modern physics · 2019Article
- Ion Transport through Perforated Graphene.The journal of physical chemistry letters · 2018Article
- Golden aspect ratio for ion transport simulation in nanopores.Physical review. E · 2018Article
- Ionic selectivity and filtration from fragmented dehydration in multilayer graphene nanopores.Nanoscale · 2017Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
From a systematic study of the concentration driven diffusion of positive and negative ions across porous 2D membranes of graphene and hexagonal boron nitride (h-BN), we prove their cation selectivity. Using the current-voltage characteristics of graphene and h-BN monolayers separating reservoirs of different salt concentrations, we calculate the reversal potential as a measure of selectivity. We tune the Debye screening length by exchanging the salt concentrations and demonstrate that negative surface charge gives rise to cation selectivity. Surprisingly, h-BN and graphene membranes show similar characteristics, strongly suggesting a common origin of selectivity in aqueous solvents. For the first time, we demonstrate that the cation flux can be increased by using ozone to create additional pores in graphene while maintaining excellent selectivity. We discuss opportunities to exploit our scalable method to use 2D membranes for applications including osmotic power conversion.
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