Multilayered semiconductor membranes for nanopore ionic conductance modulation

Maria E. Gracheva; Dmitriy V. Melnikov; Jean Pierre Leburton

doi:10.1021/nn8004679

Multilayered semiconductor membranes for nanopore ionic conductance modulation

Maria E. Gracheva, Dmitriy V. Melnikov, Jean Pierre Leburton

Research output: Contribution to journal › Article › peer-review

Abstract

We explore the possibility of using thin layered semiconductor membranes for electrical control of the ion current flow through a nanopore, thereby operating like tunable ionic transistors. While single layer semiconductor membranes can be voltage tuned to operate as ionic filters or "switches", double layered membranes can rectify the ion current flowing through the nanopore in addition to ion filtering. Triple layer membranes exhibit enhanced functionality with characteristics similar to those of the single and double layer membranes in addition to bidirectional current blocking and switching, thereby operating similar to tunable ionic transistors.

Original language	English (US)
Pages (from-to)	2349-2355
Number of pages	7
Journal	ACS Nano
Volume	2
Issue number	11
DOIs	https://doi.org/10.1021/nn8004679
State	Published - Nov 2008

Keywords

Doped semiconductor
Ionic diode
Surface charge
Transistor
Voltage-gated ion channels

ASJC Scopus subject areas

Engineering(all)
Materials Science(all)
Physics and Astronomy(all)

Online availability

10.1021/nn8004679

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AB - We explore the possibility of using thin layered semiconductor membranes for electrical control of the ion current flow through a nanopore, thereby operating like tunable ionic transistors. While single layer semiconductor membranes can be voltage tuned to operate as ionic filters or "switches", double layered membranes can rectify the ion current flowing through the nanopore in addition to ion filtering. Triple layer membranes exhibit enhanced functionality with characteristics similar to those of the single and double layer membranes in addition to bidirectional current blocking and switching, thereby operating similar to tunable ionic transistors.

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KW - Surface charge

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Multilayered semiconductor membranes for nanopore ionic conductance modulation

Abstract

Keywords

ASJC Scopus subject areas

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