期刊
MATERIALS HORIZONS
卷 8, 期 1, 页码 224-233出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0mh01070g
关键词
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资金
- Australian Research Council (ARC) [DP170104024, DP170102552]
- Welsh European Funding Office (European Regional Development Fund) through the Ser Cymru II Program
- Danish National Research Foundation
- Danish Innovation Fund
- NanoLund at Lund University
- Swedish Research Council
- Swedish Energy Agency [38331-1]
- Knut and Alice Wallenberg Foundation (KAW)
- European Union [663830]
The research team successfully developed fully monolithic, nanoscale logic elements, achieving efficient ion-to-electron signal transduction and demonstrating excellent performance.
A central endeavour in bioelectronics is the development of logic elements to transduce and process ionic to electronic signals. Motivated by this challenge, we report fully monolithic, nanoscale logic elements featuring n- and p-type nanowires as electronic channels that are proton-gated by electron-beam patterned Nafion. We demonstrate inverter circuits with state-of-the-art ion-to-electron transduction performance giving DC gain exceeding 5 and frequency response up to 2 kHz. A key innovation facilitating the logic integration is a new electron-beam process for patterning Nafion with linewidths down to 125 nm. This process delivers feature sizes compatible with low voltage, fast switching elements. This expands the scope for Nafion as a versatile patternable high-proton-conductivity element for bioelectronics and other applications requiring nanoengineered protonic membranes and electrodes.
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