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Chae H, Kwon HJ, Kim YK, et al. Laser-Processed Nature-Inspired Deformable Structures for Breathable and Reusable Electrophysiological Sensors toward Controllable Home Electronic Appliances and Psychophysiological Stress Monitoring. ACS Appl Mater Interfaces. 2019;11(31):28387-28396doi: 10.1021/acsami.9b06363.
Chae, H., Kwon, H. J., Kim, Y. K., Won, Y., Kim, D., Park, H. J., Kim, S., & Gandla, S. (2019). Laser-Processed Nature-Inspired Deformable Structures for Breathable and Reusable Electrophysiological Sensors toward Controllable Home Electronic Appliances and Psychophysiological Stress Monitoring. ACS applied materials & interfaces, 11(31), 28387-28396. https://doi.org/10.1021/acsami.9b06363
Chae, Hyeokju, et al. "Laser-Processed Nature-Inspired Deformable Structures for Breathable and Reusable Electrophysiological Sensors toward Controllable Home Electronic Appliances and Psychophysiological Stress Monitoring." ACS applied materials & interfaces vol. 11,31 (2019): 28387-28396. doi: https://doi.org/10.1021/acsami.9b06363
Chae H, Kwon HJ, Kim YK, Won Y, Kim D, Park HJ, Kim S, Gandla S. Laser-Processed Nature-Inspired Deformable Structures for Breathable and Reusable Electrophysiological Sensors toward Controllable Home Electronic Appliances and Psychophysiological Stress Monitoring. ACS Appl Mater Interfaces. 2019 Aug 07;11(31):28387-28396. doi: 10.1021/acsami.9b06363. Epub 2019 Jul 25. PMID: 31294964.
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ACS Appl Mater Interfaces. 2019 Aug 07;11(31):28387-28396. doi: 10.1021/acsami.9b06363. Epub 2019 Jul 25.

Laser-Processed Nature-Inspired Deformable Structures for Breathable and Reusable Electrophysiological Sensors toward Controllable Home Electronic Appliances and Psychophysiological Stress Monitoring.

ACS applied materials & interfaces

Hyeokju Chae, Hyuk-Jun Kwon, Yu-Kang Kim, YooChan Won, Donghan Kim, Hi-Joon Park, Sunkook Kim, Srinivas Gandla

Affiliations

  1. Multifunctional Nano Bio Electronics Lab, Department of Advanced Materials Science and Engineering , Sungkyunkwan University , Suwon 16419 , South Korea.
  2. Department of Information and Communication Engineering (ICE) , Daegu Gyeongbuk Institute of Science and Technology (DGIST) , Daegu 42988 , South Korea.
  3. Acupuncture & Meridian Science Ressearch Center , Kyung Hee University , 26 Kyungheedae-ro , Dongdaemoon-gu , Seoul 02447 , Republic of Korea.
  4. Department of Electronic Engineering , Kyung Hee University , 1732, Deogyoung Road , Giheung, Yongin , Gyeonggi 17104 , South Korea.

PMID: 31294964 DOI: 10.1021/acsami.9b06363

Abstract

Physiological monitoring through skin patch stretchable devices has received extensive attention because of their significant findings in many human-machine interaction applications. In this paper, we present novel nature-inspired, kiri-spider, serpentine structural designs to sustain mechanical deformations under complex stress environments. Strain-free mechanical structures involving stable high areal coverage (spiderweb), three-dimensional out-of-plane deformations (kirigami), and two-dimensional (2D) stretchable (2D spring) electrodes demonstrated high levels of mechanical loading under various strains, which were verified through theoretical and experimental studies. Alternative to conventional microfabrication procedures, sensors fabricated by a facile and rapid benchtop programmable laser machine enabled the realization of low-cost, high-throughput manufacture, followed by transferring procedures with a nearly 100% yield. For the first time, we demonstrated laser-processed thin (∼10 μm) flexible filamentary patterns embedded within the solution-processed polyimide to make it compatible with current flexible printed circuit board electronics. A patch-based sensor with thin, breathable, and sticky nature exhibited remarkable water permeability >20 g h

Keywords: electrophysiological; kirigami; laser processed; nature-inspired; serpentine

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