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Enhancing the Performance of Stretchable Conductors for E-Textiles by Controlled Ink Permeation

Title
Enhancing the Performance of Stretchable Conductors for E-Textiles by Controlled Ink Permeation
Authors
Jin, HanbitMatsuhisa, NaojiLee, SungwonAbbas, MohammadYokota, TomoyukiSomeya, Takao
DGIST Authors
Lee, Sungwon
Issue Date
2017-06
Citation
Advanced Materials, 29(21)
Type
Article
Article Type
Article; Article in Press
Keywords
Arbitrary PatternsBiometric DeviceCarbon NanotubesComposite MaterialsConductivityElectronic FunctionalityFilmsLarge AreaLarge Scale ManufacturingLow Vapor PressuresPorous StructuresPressure SensorPrinted ElectronicsSilverSmart TextilesStretchable ConductorsTextilesWearable Electronics
ISSN
0935-9648
Abstract
Delivery of electronic functionality to the human body using e-textiles is important for realizing the future of wearable electronics. Printing is a promising process for large scale manufacturing of e-textile since it enables arbitrary patterns using a simple and inexpensive process. However, conductive inks printed atop of textile are vulnerable to cracking because of the deformable and porous structure of textiles. The authors develop a mechanically and electrically robust wiring by controlling ink permeation in the structure of textile. This is done by adjusting the ink's solvent. The use of butyl carbitol acetate, with its low vapor pressure and boiling point, enables deep permeation into the textile. The sheet resistance is initially 0.06 Ω sq-1, and the resistance increasing only 70 times after stretching to 450% strain. Finally, a four-channel electromyogram (EMG) monitoring garment is demonstrated to show the potential of a large-scale e-textile device for health care and sports. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
URI
http://hdl.handle.net/20.500.11750/4153
DOI
10.1002/adma.201605848
Publisher
Wiley-VCH Verlag
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceETC1. Journal Articles
ETC1. Journal Articles


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