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Towards bioelectronic logic(Conference Presentation)

Paul Meredith, Bernard Mostert Orcid Logo, Margarita Sheliakina, Damon J. Carrad, Adam P. Micolich

Organic Sensors and Bioelectronics IX, Volume: 9944, Start page: 99440D

Swansea University Author: Bernard Mostert Orcid Logo

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DOI (Published version): 10.1117/12.2239393

Abstract

One of the critical tasks in realising a bioelectronic interface is the transduction of ion and electron signals at high fidelity, and with appropriate speed, bandwidth and signal-to-noise ratio [1]. This is a challenging task considering ions and electrons (or holes) have drastically different phys...

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Published in: Organic Sensors and Bioelectronics IX
ISBN: 9781510602793 9781510602809
ISSN: 0277786X
Published: San Diego, California, United States SPIE 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa38495
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Abstract: One of the critical tasks in realising a bioelectronic interface is the transduction of ion and electron signals at high fidelity, and with appropriate speed, bandwidth and signal-to-noise ratio [1]. This is a challenging task considering ions and electrons (or holes) have drastically different physics. For example, even the lightest ions (protons) have mobilities much smaller than electrons in the best semiconductors, effective masses are quite different, and at the most basic level, ions are ‘classical’ entities and electrons ‘quantum mechanical’. These considerations dictate materials and device strategies for bioelectronic interfaces alongside practical aspects such as integration and biocompatibility [2]. In my talk I will detail these ‘differences in physics’ that are pertinent to the ion-electron transduction challenge. From this analysis, I will summarise the basic categories of device architecture that are possibilities for transducing elements and give recent examples of their realisation. Ultimately, transducing elements need to be combined to create ‘bioelectronic logic’ capable of signal processing at the interface level. In this regard, I will extend the discussion past the single element concept, and discuss our recent progress in delivering all-solids-state logic circuits based upon transducing interfaces. [1] “Ion bipolar junction transistors”, K. Tybrandt, K.C. Larsson, A. Richter-Dahlfors and M. Berggren, Proc. Natl Acad. Sci., 107, 9929 (2010). [2] “Electronic and optoelectronic materials and devices inspired by nature”, P Meredith, C.J. Bettinger, M. Irimia-Vladu, A.B. Mostert and P.E. Schwenn, Reports on Progress in Physics, 76, 034501 (2013).
Keywords: Ions, Interfaces, Logic, Physics, Logic devices, Optoelectronics, Semiconductors
College: Faculty of Science and Engineering
Start Page: 99440D