Printable elastic conductors with a high conductivity for electronic textile applications

Naoji Matsuhisa, Martin Kaltenbrunner, Tomoyuki Yokota, Hiroaki Jinno, Kazunori Kuribara, Tsuyoshi Sekitani, Takao Someya

研究成果: Article査読

432 被引用数 (Scopus)

抄録

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 738Scm -1 and a record high conductivity of 182Scm -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.

本文言語English
論文番号7461
ジャーナルNature communications
6
DOI
出版ステータスPublished - 2015 6 25
外部発表はい

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

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