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Multiscale real time and high sensitivity ion detection with complementary organic electrochemical transistors amplifier

Author

Listed:
  • Paolo Romele

    (University of Brescia, Department of Information Engineering)

  • Paschalis Gkoupidenis

    (Max Planck Institute for Polymer Research)

  • Dimitrios A. Koutsouras

    (Max Planck Institute for Polymer Research)

  • Katharina Lieberth

    (Max Planck Institute for Polymer Research)

  • Zsolt M. Kovács-Vajna

    (University of Brescia, Department of Information Engineering)

  • Paul W. M. Blom

    (Max Planck Institute for Polymer Research)

  • Fabrizio Torricelli

    (University of Brescia, Department of Information Engineering)

Abstract

Ions are ubiquitous biological regulators playing a key role for vital processes in animals and plants. The combined detection of ion concentration and real-time monitoring of small variations with respect to the resting conditions is a multiscale functionality providing important information on health states. This multiscale functionality is still an open challenge for current ion sensing approaches. Here we show multiscale real-time and high-sensitivity ion detection with complementary organic electrochemical transistors amplifiers. The ion-sensing amplifier integrates in the same device both selective ion-to-electron transduction and local signal amplification demonstrating a sensitivity larger than 2300 mV V−1 dec−1, which overcomes the fundamental limit. It provides both ion detection over a range of five orders of magnitude and real-time monitoring of variations two orders of magnitude lower than the detected concentration, viz. multiscale ion detection. The approach is generally applicable to several transistor technologies and opens opportunities for multifunctional enhanced bioelectronics.

Suggested Citation

  • Paolo Romele & Paschalis Gkoupidenis & Dimitrios A. Koutsouras & Katharina Lieberth & Zsolt M. Kovács-Vajna & Paul W. M. Blom & Fabrizio Torricelli, 2020. "Multiscale real time and high sensitivity ion detection with complementary organic electrochemical transistors amplifier," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17547-0
    DOI: 10.1038/s41467-020-17547-0
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    Cited by:

    1. Padinhare Cholakkal Harikesh & Chi-Yuan Yang & Deyu Tu & Jennifer Y. Gerasimov & Abdul Manan Dar & Adam Armada-Moreira & Matteo Massetti & Renee Kroon & David Bliman & Roger Olsson & Eleni Stavrinidou, 2022. "Organic electrochemical neurons and synapses with ion mediated spiking," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Sophie Griggs & Adam Marks & Dilara Meli & Gonzague Rebetez & Olivier Bardagot & Bryan D. Paulsen & Hu Chen & Karrie Weaver & Mohamad I. Nugraha & Emily A. Schafer & Joshua Tropp & Catherine M. Aitchi, 2022. "The effect of residual palladium on the performance of organic electrochemical transistors," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Peiyun Li & Junwei Shi & Yuqiu Lei & Zhen Huang & Ting Lei, 2022. "Switching p-type to high-performance n-type organic electrochemical transistors via doped state engineering," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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