ArticleScientific reports2018
Asymmetric-Fluidic-Reservoirs Induced High Rectification Nanofluidic Diode.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Transmembrane voltage-gated nanopores controlled by electrically tunable in-pore chemistry.Nature communications · 2025Article
- Controllable Shrinking Fabrication of Solid-State Nanopores.Micromachines · 2022Review
- Overlimiting current near a nanochannel a new insight using molecular dynamics simulations.Scientific reports · 2021Article
- Fabrication and Applications of Solid-State Nanopores.Sensors (Basel, Switzerland) · 2019Review
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Authors and funding
4 authors.
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Abstract
We demonstrate a novel nanofluidic diode that produces rectification factors in excess of 1000. The nanofluidic diode consists of ion permselective nanopores that connect two reservoirs of different diameters- a micropore reservoir and a macropore reservoir. On the application of +100 V to the micropore, a low OFF state current is observed. The OFF state is caused by formation of the ion depleted zone in the micropore because the anions are prevented from entering the nanopores from the micropore and the cations are depleted in this region to maintain charge neutrality. On the application of -100 V, we observe a high ON state current. The ON state is caused by formation of the ion enriched zone in the microchannel because the anions cannot pass through the nanopores and accumulate in the microchannel. To maintain charge neutrality the cations also become enriched in the microchannel. The ratio of ON state current to the OFF state current gives the rectification of current. Here, plasma oxidation is used to achieve a nanopore with a large wall surface charge density of σ
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