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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Biological Materials Science
Presentation Title Biodegradable Molybdenum/Polybutylene Adipate Terephthalate Conductive Paste for Flexible and Stretchable Transient Electronics
Author(s) Jaeyoung Yoo, Kyung-Sub Kim, Jun-Seok Shim, Jahyun Koo, Seung-Kyun Kang, Hyuck Mo Lee
On-Site Speaker (Planned) Jaeyoung Yoo
Abstract Scope Biodegradable electronics is an emerging field of technology capable of reducing the increasing electronic waste originating from the rapid development of bio-integrated devices and skin adhesive patches. Through an advantageous solution process, biodegradable conductive pastes can be employed in various applications of soft and flexible devices. Herein, a biodegradable conductive paste composed of Mo microparticles and polybutylene adipate terephthalate (PBAT) exhibiting excellent mechanical flexibility and stretchability is reported, while also demonstrating substantially superior mechanical and conductive properties compared with previously reported biodegradable polymer matrices such as poly butanedithiol 1,3,5-triallyl-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione pentenoic anhydride and Candelilla wax owing to the significant elongation of PBAT. Moderate dissolution in phosphate buffer saline accomplishes its full biodegradability and programmable lifecycle. The practical implications of the Mo/PBAT pastes are demonstrated in numerous biodegradable electronic applications such as electrodes, strain and temperature sensors, joule heaters, and interconnectors.
Proceedings Inclusion? Planned:
Keywords Biomaterials, Electronic Materials, Polymers


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