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Related Experiment Video

Updated: Oct 12, 2025

Fabrication of a Solution-gated Indium-Tin-Oxide-based One-piece Transistor Enabling Sensitive Biosensing

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Published on: August 29, 2025

Integrated bioelectronic proton-gated logic elements utilizing nanoscale patterned Nafion.

J G Gluschke¹, J Seidl, R W Lyttleton

¹School of Physics, University of New South Wales, Sydney, NSW 2052, Australia. adam.micolich@nanoelectronics.physics.unsw.edu.au.

Materials Horizons

|November 25, 2021

Summary

This summary is machine-generated.

Researchers developed nanoscale logic elements using proton-gated nanowires. These bioelectronic devices show high ion-to-electron signal transduction, enabling faster, low-voltage switching for advanced applications.

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Last Updated: Oct 12, 2025

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Area of Science:

Bioelectronics
Nanotechnology
Materials Science

Background:

Developing efficient logic elements for bioelectronic devices is crucial for signal transduction.
Existing methods face challenges in achieving nanoscale integration and high performance.

Purpose of the Study:

To create fully monolithic, nanoscale logic elements for ion-to-electron signal processing.
To demonstrate the potential of electron-beam patterned Nafion in advanced bioelectronic circuits.

Main Methods:

Fabrication of n- and p-type nanowire channels.
Proton gating of nanowires using electron-beam patterned Nafion.
Demonstration of inverter circuits and analysis of their performance.

Main Results:

Achieved state-of-the-art ion-to-electron transduction performance.
Demonstrated DC gain exceeding 5 and frequency response up to 2 kHz.
Developed a novel electron-beam process for patterning Nafion with linewidths down to 125 nm.

Conclusions:

The developed logic elements are compatible with low voltage and fast switching.
Electron-beam patterned Nafion is a versatile material for nanoengineered protonic membranes and electrodes.
This work advances the integration of logic elements in bioelectronics.