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All-Organic, Solution-Processed, Extremely Conformal, Mechanically Biocompatible, and Breathable Epidermal Electrodes
- Title
- All-Organic, Solution-Processed, Extremely Conformal, Mechanically Biocompatible, and Breathable Epidermal Electrodes
- Authors
- Jeong, Wooseong; Park, Yuri; Gwon, Gihyeok; Song, Jinkyu; Yoo, Seungsun; Bae, Jihoon; Ko, Young Hwii; Choi, Ji-Hyuk; Lee, Sungwon
- DGIST Authors
- Jeong, Wooseong; Park, Yuri; Gwon, Gihyeok; Song, Jinkyu; Yoo, Seungsun; Bae, Jihoon; Ko, Young Hwii; Choi, Ji-Hyuk; Lee, Sungwon
- Issue Date
- 2021-01
- Citation
- ACS Applied Materials and Interfaces, 13(4), 5660-5667
- Type
- Article
- Author Keywords
- Conductive polymer; Nanomesh electrode; Biometric device; Health monitoring; Hydrothermal treatment
- ISSN
- 1944-8244
- Abstract
- Conformal integration of an epidermal device with the skin, as well as sweat and air permeability, are crucial to reduce stress on biological tissues. Nanofiber-based porous mesh structures (breathable devices) are commonly utilized to prevent skin problems. Noble metals are normally deposited on nanomesh substrates to form breathable electrodes. However, these are expensive and require high-vacuum processes involving time-consuming multistep procedures. Organic materials are suitable alternatives that can be simply processed in solution. We report a simple, cost-effective, mechanically biocompatible, and breathable organic epidermal electrode for biometric devices. Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is sprayed on a nanofiber-mesh structure, treated using only heat and water to enhance its biocompatibility and conductivity, and used as the electrode. The treatment is accomplished using an autoclave, simultaneously reducing the electrical resistance and sterilizing the electrode for practical use. This research can lead to affordable and biocompatible epidermal electrodes with improved suitability for various biomedical applications. © 2020 American Chemical Society.
- URI
- http://hdl.handle.net/20.500.11750/13489
- DOI
- 10.1021/acsami.0c22397
- Publisher
- American Chemical Society
- Related Researcher
-
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Lee, Sungwon
Bio-Harmonized Device Lab
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Research Interests
Ultrathin Device Fabrication; Bio sensors Development; Functional Material Development
- Files:
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- Collection:
- Department of Physics and ChemistryBio-Harmonized Device Lab1. Journal Articles
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