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Proceedings of the National Academy of Sciences of the United States of America, volume 114, issue 40, pages 10554-10559

Transparent, conformable, active multielectrode array using organic electrochemical transistors

Wonryung Lee 1
Dongmin Kim 1, 2
Naoji MATSUHISA 1
Masae Nagase 1, 2
Masaki SEKINO 1, 2
George G Malliaras 3
Tomoyuki Yokota 1, 2
Takao Someya 1, 2, 4, 5
1
 
Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan;
3
 
Department of Bioelectronics, Ecole Nationale Supérieure des Mines, 13541 Gardanne, France;
4
 
Thin-Film Device Laboratory, RIKEN, Saitama 351-0198, Japan;
5
 
Center for Emergent Matter Science, RIKEN, Saitama 351-0198, Japan
Publication typeJournal Article
Publication date2017-09-18
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.1
ISSN00278424, 10916490
Multidisciplinary
Abstract
Significance We have developed a transparent, ultraflexible, and active multielectrode array (MEA), which consists of transparent organic electrochemical transistors and transparent Au grid wirings. The micropatterned Au grid showed 60% transparency at 475-nm wavelength. The transparent active MEA showed the spatial mapping of electrocorticogram electrical signals from an optogenetic rat with 1-mm spacing and shows lower light artifacts than noise level. 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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GOST Copy
Lee W. et al. Transparent, conformable, active multielectrode array using organic electrochemical transistors // Proceedings of the National Academy of Sciences of the United States of America. 2017. Vol. 114. No. 40. pp. 10554-10559.
GOST all authors (up to 50) Copy
Lee W., Kim D., MATSUHISA N., Nagase M., SEKINO M., Malliaras G. G., Yokota T., Someya T. Transparent, conformable, active multielectrode array using organic electrochemical transistors // Proceedings of the National Academy of Sciences of the United States of America. 2017. Vol. 114. No. 40. pp. 10554-10559.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1073/pnas.1703886114
UR - https://doi.org/10.1073/pnas.1703886114
TI - Transparent, conformable, active multielectrode array using organic electrochemical transistors
T2 - Proceedings of the National Academy of Sciences of the United States of America
AU - Lee, Wonryung
AU - Kim, Dongmin
AU - MATSUHISA, Naoji
AU - Nagase, Masae
AU - SEKINO, Masaki
AU - Malliaras, George G
AU - Yokota, Tomoyuki
AU - Someya, Takao
PY - 2017
DA - 2017/09/18 00:00:00
PB - Proceedings of the National Academy of Sciences (PNAS)
SP - 10554-10559
IS - 40
VL - 114
PMID - 28923928
SN - 0027-8424
SN - 1091-6490
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Lee,
author = {Wonryung Lee and Dongmin Kim and Naoji MATSUHISA and Masae Nagase and Masaki SEKINO and George G Malliaras and Tomoyuki Yokota and Takao Someya},
title = {Transparent, conformable, active multielectrode array using organic electrochemical transistors},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
year = {2017},
volume = {114},
publisher = {Proceedings of the National Academy of Sciences (PNAS)},
month = {sep},
url = {https://doi.org/10.1073/pnas.1703886114},
number = {40},
pages = {10554--10559},
doi = {10.1073/pnas.1703886114}
}
MLA
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MLA Copy
Lee, Wonryung, et al. “Transparent, conformable, active multielectrode array using organic electrochemical transistors.” Proceedings of the National Academy of Sciences of the United States of America, vol. 114, no. 40, Sep. 2017, pp. 10554-10559. https://doi.org/10.1073/pnas.1703886114.
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