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Printable elastic conductors with a high conductivity for electronic textile applications.


ABSTRACT: The development of advanced flexible large-area electronics such as flexible displays and sensors will thrive on engineered functional ink formulations for printed electronics where the spontaneous arrangement of molecules aids the printing processes. Here we report a printable elastic conductor with a high initial conductivity of 738?S?cm(-1) and a record high conductivity of 182?S?cm(-1) when stretched to 215% strain. The elastic conductor ink is comprised of Ag flakes, a fluorine rubber and a fluorine surfactant. The fluorine surfactant constitutes a key component which directs the formation of surface-localized conductive networks in the printed elastic conductor, leading to a high conductivity and stretchability. We demonstrate the feasibility of our inks by fabricating a stretchable organic transistor active matrix on a rubbery stretchability-gradient substrate with unimpaired functionality when stretched to 110%, and a wearable electromyogram sensor printed onto a textile garment.

SUBMITTER: Matsuhisa N 

PROVIDER: S-EPMC4491189 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Printable elastic conductors with a high conductivity for electronic textile applications.

Matsuhisa Naoji N   Kaltenbrunner Martin M   Yokota Tomoyuki T   Jinno Hiroaki H   Kuribara Kazunori K   Sekitani Tsuyoshi T   Someya Takao T  

Nature communications 20150625


The development of advanced flexible large-area electronics such as flexible displays and sensors will thrive on engineered functional ink formulations for printed electronics where the spontaneous arrangement of molecules aids the printing processes. Here we report a printable elastic conductor with a high initial conductivity of 738 S cm(-1) and a record high conductivity of 182 S cm(-1) when stretched to 215% strain. The elastic conductor ink is comprised of Ag flakes, a fluorine rubber and a  ...[more]

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