ArticleACS measurement science au2022
Effect of Electrolyte Concentration and Pore Size on Ion Current Rectification Inversion.
Article in ACS measurement science au, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Multifactorial Regulation Mechanisms of Negative Differential Resistance in Macropores.Molecules (Basel, Switzerland) · 2026Article
- Understanding Sensitivity in Nanoscale Sensing Devices.ACS measurement science au · 2025Article
- Determination of Enantiomeric Excess in Confined Aprotic Solvent.ACS electrochemistry · 2025Article
- Tuning Ion Current Rectifying Nanopipettes for Sensitive Detection of Methicillin-ResistantAnalytical chemistry · 2025Article
- Characterization of ion track-etched conical nanopores in thermal and PECVD SiOBeilstein journal of nanotechnology · 2025Article
- Unveiling the capabilities of bipolar conical channels in neuromorphic iontronics.Faraday discussions · 2023Article
- Polymer Translocation and Nanopore Sequencing: A Review of Advances and Challenges.International journal of molecular sciences · 2023Review
- Aprotic Solvent Accumulation Amplifies Ion Current Rectification in Conical Nanopores.The journal of physical chemistry. B · 2022Article
Corrections and comments
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Authors and funding
4 authors.
Funding
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Abstract
A thorough understanding of nanoscale transport properties is vital for the development and optimization of nanopore sensors. The thickness of the electrical double layers (EDLs) at the internal walls of a nanopore, as well as the dimensions of the nanopore itself, plays a crucial role in determining transport properties. Herein, we demonstrate the effect of the electrolyte concentration, which is inversely proportional to the EDL thickness, and the effect of pore size, which controls the extent of the electrical double layer overlap, on the ion current rectification phenomenon observed for conical nanopores. Experimental and numerical results showed that as the electrolyte concentration is decreased, the rectification ratio reaches a maximum, then decreases, and eventually inverts below unity. We also show that as the pore size is decreased, the rectification maximum and the inversion take place at higher electrolyte concentrations. Numerical investigations revealed that both phenomena occur due to the shifting of ion enrichment distributions within the nanopore as the electrolyte concentration or the pore size is varied.
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Registered trials
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