Electrostatic Control of Ions and Molecules in Nanofluidic Transistors

Karnik, Rohit and Fan, Rong and Yue, Min and Li, Deyu and Yang, Peidong and Majumdar, Arun. (2005) Electrostatic Control of Ions and Molecules in Nanofluidic Transistors. Nano Letters, 5 (5). pp. 943-948. ISSN 1530-6984

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Abstract

We report a nanofluidic transistor based on a metal-oxide-solution (MOSol) system that is similar to a metal-oxide-semiconductor field-effect transistor (MOSFET). Using a combination of fluorescence and electrical measurements, we demonstrate that gate voltage modulates the concentration of ions and molecules in the channel and controls the ionic conductance. Our results illustrate the efficacy of field-effect control in nanofluidics, which could have broad implications on integrated nanofluidic circuits for manipulation of ions and biomolecules in sub-femtoliter volumes.

Item Type: Article
Additional Information: Reprinted with permission from "Electrostatic Control of Ions and Molecules in Nanofluidic Transistors", Karnik et al., Nano Lett., 2005, 5 (5), pp 943–948. Copyright 2005 American Chemical Society.
InterNano Taxonomy: Nanoscale Objects and Nanostructured Materials > Nanodevice Structures > Nanoelectronic circuits and architectures
Nanoscale Objects and Nanostructured Materials > Nanodevice Structures
Nanomanufacturing Processes > Assembly Techniques > Fluidic alignment
Collections: Nanomanufacturing Research Collection
Depositing User: Moureen Kemei
Date Deposited: 22 Mar 2010 19:05
Last Modified: 22 Mar 2010 19:05
URI: http://eprints.internano.org/id/eprint/347

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