Integration of Transparent Supercapacitors and Electrodes Using Nanostructured Metallic Glass Films for Wirelessly Rechargeable, Skin Heat Patches

Sangil Lee, Sang Woo Kim, Matteo Ghidelli, Hyeon Seok An, Jiuk Jang, Andrea Li Bassi, Sang Young Lee, Jang Ung Park

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Here we demonstrate an unconventional fabrication of highly transparent supercapacitors and electrodes using random networks of nanostructured metallic glass nanotroughs for their integrations as wirelessly rechargeable and invisible, skin heat patches. Transparent supercapacitors with fine conductive patterns were printed using an electrohydrodynamic jet-printing. Also, transparent and stretchable electrodes, for wireless antennas, heaters and interconnects, were formed using random network based on nanostructured CuZr nanotroughs and Ag nanowires with superb optoelectronic properties (sheet resistance of 3.0 ω/sq at transmittance of 91.1%). Their full integrations, as an invisible heat patch on skin, enabled the wireless recharge of supercapacitors and the functions of heaters for thermal therapy of skin tissue. The demonstration of this transparent thermotherapy patch to control the blood perfusion level and hydration rate of skin suggests a promising strategy toward next-generation wearable electronics.

Original languageEnglish
Pages (from-to)4872-4881
Number of pages10
JournalNano letters
Volume20
Issue number7
DOIs
Publication statusPublished - 2020 Jul 8

Bibliographical note

Funding Information:
This work was supported by the Ministry of Science & ICT (MSIT) and the Ministry of Trade, Industry and Energy (MOTIE) of Korea through the National Research Foundation (2019R1A2B5B03069358, 2016R1A5A1009926, and 2018R1A2A1A05019733), the Bio & Medical Technology Development Program (2018M3A9F1021649), the Nano Material Technology Development Program (2015M3A7B4050308 and 2016M3A7B4910635), the Industrial Technology Innovation Program (10080577), and Industry Technology Development Program (10080540). Dr. Matteo Ghidelli acknowledges the financial support of the Italian Embassy in Republic of Korea trough the “Borse di Viaggio” program enabling to develop a collaboration between Korean and Italian institutions. Also, the authors acknowledge financial support by the Institute for Basic Science (IBS-R026-D1) and the Research Program (2018-22-0194) funded by Yonsei University.

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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