Wearable Electronics Using a Textile-Centric Design Approach
May 4, 2022
11:00AM to 12:00PM
Date/Time
Date(s) - 04/05/2022
11:00 am - 12:00 pm
Categories
The Department of Chemistry & Chemical Biology and the Brockhouse Institute for Materials Research invite you to a seminar talk with Dr. Tricia Carmichael, Department of Chemistry, University of Windsor
*Note, this seminar will be offered in hybrid format*
Title: Wearable Electronics Using a Textile-Centric Design Approach
Date: Wednesday, May 4, 2022
Time: 11:00-12:00
Room: ABB 163
Zoom (see further options for joining the meeting below): https://mcmaster.zoom.us/j/98032009182
Host: Jose Moran-Mirabal
Abstract: Clothing is ubiquitous in daily life, making textiles an ideal platform for the next generation of wearable electronics. New electronic textiles (e-textiles) will incorporate sensors to detect biometric data, light-emitting devices to display data, and integrated wiring and power sources. The fabrication of these e-textiles requires the integration of functional materials into the textile, while maintaining wearability, softness, and stretchability. The challenge with this integration is that the porous, 3D structures of textiles are obviously different from the flat and rigid surfaces conventionally used for device fabrication. Textiles present a non-planar surface for fabrication and readily absorb and wick solutions of functional inks, which can stiffen the textile and compromise wearability. In this presentation, we discuss the use of solution-based electroless metallization to fabricate conductive textiles. A key advantage of this approach is the ability of the aqueous plating solution to permeate into the textile structures to deposit conformal, uniform gold coatings on the surfaces of individual fibers that comprise the yarns, leaving the void structure of the textile intact. We also discuss how the ready availability of the considerable variety of textiles offers a great opportunity to advance the e-textile field by incorporating textile structures into the device design. In this textile-centric design paradigm, textiles play an integral role in the operation of e-textile devices rather than acting merely as passive device carriers. We discuss how the open structure of a low-denier nylon and spandex ultrasheer fabric can be used as a framework for highly stretchable transparent electrodes in wearable and stretchable light-emitting devices, and how the tufted structure of a velour fabric can form the basis for an architectural engineering approach to protect brittle electroactive materials from strain for the fabrication of stretchable textile-based lithium-ion batteries.
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Meeting ID: 980 3200 9182
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Meeting ID: 980 3200 9182