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  • Kim, Seong-MinGwangju Inst Sci and Technol, South Korea (author)

Influence of PEDOT:PSS crystallinity and composition on electrochemical transistor performance and long-term stability

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-09-21
  • NATURE PUBLISHING GROUP,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-151778
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-151778URI
  • https://doi.org/10.1038/s41467-018-06084-6DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|National Research Foundation of Korea (NRF) - Ministry of Science and ICT [NRF-2017R1A2B4003873, NRF-2018M3A7B4070988, NRF-2018M3D1A1051602]
  • Owing to the mixed electron/hole and ion transport in the aqueous environment, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)-based organic electrochemical transistor has been regarded as one of the most promising device platforms for bioelectronics. Nonetheless, there exist very few in-depth studies on how intrinsic channel material properties affect their performance and long-term stability in aqueous environments. Herein, we investigated the correlation among film microstructural crystallinity/composition, device performance, and aqueous stability in poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) films. The highly organized anisotropic ordering in crystallized conducting polymer films led to remarkable device characteristics such as large transconductance (similar to 20 mS), extraordinary volumetric capacitance (113 F.cm(-3)), and unprecedentedly high [mu C*] value (similar to 490 F.cm(-1) V-1 s(-1)). Simultaneously, minimized poly(styrenesulfonate) residues in the crystallized film substantially afforded marginal film swelling and robust operational stability even after amp;gt;20-day water immersion, amp;gt;2000-time repeated on-off switching, or high-temperature/pressure sterilization. We expect that the present study will contribute to the development of long-term stable implantable bioelectronics for neural recording/stimulation.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kim, Chang-HyunGwangju Inst Sci and Technol, South Korea; Gwangju Inst Sci and Technol, South Korea; Gachon Univ, Peoples R China (author)
  • Kim, YoungseokGwangju Inst Sci and Technol, South Korea (author)
  • Kim, NaraLinköpings universitet,Fysik och elektroteknik,Tekniska fakulteten,Gwangju Inst Sci and Technol, South Korea(Swepub:liu)narki16 (author)
  • Lee, Won-JuneGwangju Inst Sci and Technol, South Korea (author)
  • Lee, Eun-HakGwangju Inst Sci and Technol, South Korea (author)
  • Kim, DokyunGwangju Inst Sci and Technol, South Korea (author)
  • Park, SungjunRIKEN, Japan (author)
  • Lee, KwangheeGwangju Inst Sci and Technol, South Korea; Gwangju Inst Sci and Technol, South Korea; Gwangju Inst Sci and Technol, South Korea (author)
  • Rivnay, JonathanNorthwestern Univ, IL 60208 USA (author)
  • Yoon, Myung-HanGwangju Inst Sci and Technol, South Korea (author)
  • Gwangju Inst Sci and Technol, South KoreaGwangju Inst Sci and Technol, South Korea; Gwangju Inst Sci and Technol, South Korea; Gachon Univ, Peoples R China (creator_code:org_t)

Related titles

  • In:Nature Communications: NATURE PUBLISHING GROUP92041-1723

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