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@ARTICLE{Liang:858552,
      author       = {Liang, Yuanying and Ernst, Mathis and Brings, Fabian and
                      Kireev, Dmitry and Maybeck, Vanessa and Offenhäusser,
                      Andreas and Mayer, Dirk},
      title        = {{H}igh {P}erformance {F}lexible {O}rganic {E}lectrochemical
                      {T}ransistors for {M}onitoring {C}ardiac {A}ction
                      {P}otential},
      journal      = {Advanced healthcare materials},
      volume       = {7},
      number       = {19},
      issn         = {2192-2640},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-07422},
      pages        = {1800304 -},
      year         = {2018},
      abstract     = {Flexible and transparent electronic devices possess crucial
                      advantages over conventional silicon based systems for
                      bioelectronic applications since they are able to adapt to
                      nonplanar surfaces, cause less chronic immunoreactivity, and
                      facilitate easy optical inspection. Here, organic
                      electrochemical transistors (OECTs) are embedded in a
                      flexible matrix of polyimide to record cardiac action
                      potentials. The wafer‐scale fabricated devices exhibit
                      transconductances (12 mS V−1) and drain–source
                      on‐to‐off current ratios (≈105) comparable to state of
                      the art nonflexible and superior to other reported flexible
                      OECTs. The transfer characteristics of the devices are
                      preserved even after experiencing extremely high bending
                      strain and harsh crumpling. A sub‐micrometer
                      poly(3,4‐ethylenedioxythiophene) doped with
                      poly(styrenesulfonate) layer results in a fast transport of
                      ions between the electrolyte and the polymer channel
                      characterized by a cut‐off frequency of 1200 Hz. Excellent
                      device performance is proved by mapping the propagation of
                      cardiac action potentials with high signal‐to‐noise
                      ratio. These results demonstrate that the electrical
                      performance of flexible OECTs can compete with
                      hard‐material‐based OECTs and thus potentially be used
                      for in vivo applications.},
      cin          = {ICS-8},
      ddc          = {610},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {552 - Engineering Cell Function (POF3-552)},
      pid          = {G:(DE-HGF)POF3-552},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30109770},
      UT           = {WOS:000446822600005},
      doi          = {10.1002/adhm.201800304},
      url          = {https://juser.fz-juelich.de/record/858552},
}