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N-type organic electrochemical transistors with stability in water

Author

Listed:
  • Alexander Giovannitti

    (Imperial College London)

  • Christian B. Nielsen

    (Imperial College London
    Materials Research Institute and School of Biological and Chemical Sciences, Queen Mary University of London)

  • Dan-Tiberiu Sbircea

    (Imperial College London)

  • Sahika Inal

    (École Nationale Supérieure des Mines, CMP-EMSE, MOC)

  • Mary Donahue

    (École Nationale Supérieure des Mines, CMP-EMSE, MOC)

  • Muhammad R. Niazi

    (King Abdullah University of Science and Technology, SPERC)

  • David A. Hanifi

    (Stanford University)

  • Aram Amassian

    (King Abdullah University of Science and Technology, SPERC)

  • George G. Malliaras

    (École Nationale Supérieure des Mines, CMP-EMSE, MOC)

  • Jonathan Rivnay

    (École Nationale Supérieure des Mines, CMP-EMSE, MOC
    Palo Alto Research Center)

  • Iain McCulloch

    (Imperial College London
    King Abdullah University of Science and Technology, SPERC)

Abstract

Organic electrochemical transistors (OECTs) are receiving significant attention due to their ability to efficiently transduce biological signals. A major limitation of this technology is that only p-type materials have been reported, which precludes the development of complementary circuits, and limits sensor technologies. Here, we report the first ever n-type OECT, with relatively balanced ambipolar charge transport characteristics based on a polymer that supports both hole and electron transport along its backbone when doped through an aqueous electrolyte and in the presence of oxygen. This new semiconducting polymer is designed specifically to facilitate ion transport and promote electrochemical doping. Stability measurements in water show no degradation when tested for 2 h under continuous cycling. This demonstration opens the possibility to develop complementary circuits based on OECTs and to improve the sophistication of bioelectronic devices.

Suggested Citation

  • Alexander Giovannitti & Christian B. Nielsen & Dan-Tiberiu Sbircea & Sahika Inal & Mary Donahue & Muhammad R. Niazi & David A. Hanifi & Aram Amassian & George G. Malliaras & Jonathan Rivnay & Iain McC, 2016. "N-type organic electrochemical transistors with stability in water," Nature Communications, Nature, vol. 7(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13066
    DOI: 10.1038/ncomms13066
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    Cited by:

    1. Eyal Stein & Oded Nahor & Mikhail Stolov & Viatcheslav Freger & Iuliana Maria Petruta & Iain McCulloch & Gitti L. Frey, 2022. "Ambipolar blend-based organic electrochemical transistors and inverters," Nature Communications, Nature, vol. 13(1), pages 1-10, 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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