Electrostatic Control of Ions and Molecules in Nanofluidic Transistors
University of California, Berkeley · Lawrence Berkeley National Laboratory
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.
Citation impact
- FWCI
- 26.61
- Percentile
- 100%
- References
- 27
Authors
6- RKRohit KarnikCorresponding
University of California, Berkeley, Lawrence Berkeley National Laboratory
- RFRong Fan
Lawrence Berkeley National Laboratory, University of California, Berkeley
- MYMin Yue
University of California, Berkeley, Lawrence Berkeley National Laboratory
- DLDeyu Li
Lawrence Berkeley National Laboratory, University of California, Berkeley
- PYPeidong Yang
Lawrence Berkeley National Laboratory, University of California, Berkeley
Topics & keywords
- Nanofluidics
- Transistor
- Biomolecule
- Field-effect transistor
- Nanotechnology
- MOSFET
- Nanoelectronics
- Ion
- Affordable and clean energy