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    뷰페이지 제목 게시판 내용

    Transparent, conformable, active multielectrode array using organic electrochemical transistors  
    Wonryung Lee(The University of Tokyo)
    United States | PNAS
    2017-09-18 | 바로가기
    transistors
    Cited by 74

    ■  View full text

    PNAS

    first published September 18, 2017

    https://doi.org/10.1073/pnas.1703886114

     

     

    ■  Researchers

    Wonryung Leea, Dongmin Kima,b, Naoji Matsuhisaa, Masae Nagasea,b, Masaki Sekinoa,b, George G. Malliarasc, Tomoyuki Yokotaa,b, and Takao Someyaa,b,d,e,1

     

    a  Department of Electrical Engineering and Information Systems, The University of Tokyo

    b  Exploratory Research for Advanced Technology, Japan Science and Technology Agency

    c  Department of Bioelectronics, Ecole Nationale Supérieure des Mines

    d  Thin-Film Device Laboratory, RIKEN

    e  Center for Emergent Matter Science, RIKEN

     

     

    ■  Abstract

    Mechanically flexible active multielectrode arrays (MEA) have been developed for local signal amplification and high spatial resolution. However, their opaqueness limited optical observation and light stimulation during use. Here, we show a transparent, ultraflexible, and active MEA, which consists of transparent organic electrochemical transistors (OECTs) and transparent Au grid wirings. The transparent OECT is made of Au grid electrodes and has shown comparable performance with OECTs with nontransparent electrodes/wirings. The transparent active MEA realizes the spatial mapping of electrocorticogram electrical signals from an optogenetic rat with 1-mm spacing and shows lower light artifacts than noise level. Our active MEA would open up the possibility of precise investigation of a neural network system with direct light stimulation.

     

     

     

     

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