Megahertz-wave-transmitting conducting polymer electrode for device-to-device integration

Taehoon Kim, Gwangmook Kim, Hyeohn Kim, Hong Jib Yoon, Taeseong Kim, Yohan Jun, Tae Hyun Shin, Shinill Kang, Jinwoo Cheon, Dosik Hwang, Byung wook Min, Wooyoung Shim

Research output: Contribution to journalArticle

Abstract

The ideal combination of high optical transparency and high electrical conductivity, especially at very low frequencies of less than the gigahertz (GHz) order, such as the radiofrequencies at which electronic devices operate (tens of kHz to hundreds of GHz), is fundamental incompatibility, which creates a barrier to the realization of enhanced user interfaces and ‘device-to-device integration.’ Herein, we present a design strategy for preparing a megahertz (MHz)-transparent conductor, based on a plasma frequency controlled by the electrical conductivity, with the ultimate goal of device-to-device integration through electromagnetic wave transmittance. This approach is verified experimentally using a conducting polymer, poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS), the microstructure of which is manipulated by employing a solution process. The use of a transparent conducting polymer as an electrode enables the fabrication of a fully functional touch-controlled display device and magnetic resonance imaging (MRI)-compatible biomedical monitoring device, which would open up a new paradigm for transparent conductors.

Original languageEnglish
Article number653
JournalNature communications
Volume10
Issue number1
DOIs
Publication statusPublished - 2019 Dec 1

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Conducting polymers
conducting polymers
Polymers
Electrodes
Equipment and Supplies
electrodes
Magnetic resonance
Electromagnetic waves
Transparency
User interfaces
Display devices
Electric Conductivity
Plasmas
Imaging techniques
Fabrication
Microstructure
Monitoring
conductors
electrical resistivity
incompatibility

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, Taehoon ; Kim, Gwangmook ; Kim, Hyeohn ; Yoon, Hong Jib ; Kim, Taeseong ; Jun, Yohan ; Shin, Tae Hyun ; Kang, Shinill ; Cheon, Jinwoo ; Hwang, Dosik ; Min, Byung wook ; Shim, Wooyoung. / Megahertz-wave-transmitting conducting polymer electrode for device-to-device integration. In: Nature communications. 2019 ; Vol. 10, No. 1.
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Megahertz-wave-transmitting conducting polymer electrode for device-to-device integration. / Kim, Taehoon; Kim, Gwangmook; Kim, Hyeohn; Yoon, Hong Jib; Kim, Taeseong; Jun, Yohan; Shin, Tae Hyun; Kang, Shinill; Cheon, Jinwoo; Hwang, Dosik; Min, Byung wook; Shim, Wooyoung.

In: Nature communications, Vol. 10, No. 1, 653, 01.12.2019.

Research output: Contribution to journalArticle

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AU - Min, Byung wook

AU - Shim, Wooyoung

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