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Integrated bioelectronic proton-gated logic elements utilizing nanoscale patterned Nafion

Gluschke, J. G. (author)
University of New South Wales
Seidl, J. (author)
University of New South Wales
Lyttleton, R. W. (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,University of New South Wales
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Nguyen, K. (author)
University of New South Wales
Lagier, M. (author)
University of New South Wales
Meyer, F. (author)
University of New South Wales
Krogstrup, P. (author)
University of Copenhagen
Nygård, J. (author)
University of Copenhagen,Center for Quantum Devices, Niels Bohr Institute
Lehmann, S. (author)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Mostert, A. B. (author)
Swansea University
Meredith, P. (author)
University of Queensland,Swansea University
Micolich, A. P. (author)
University of New South Wales
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 (creator_code:org_t)
2021
2021
English 10 s.
In: Materials Horizons. - : Royal Society of Chemistry (RSC). - 2051-6347 .- 2051-6355. ; 8:1, s. 224-233
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

NATURVETENSKAP  -- Kemi -- Teoretisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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