Sputtered Zinc electrodes on Pullulan substrates for flexible biodegradable transient electronics

Andrew Cook, Keri Goodwin, Paul S. Taylor, Ertan Balaban, Maria Alfredsson, Robert J. Horne, David Bird, John C. Batchelor, Alex Casson

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Biodegradable transient electronics, devices which easily breakdown to safe constituent parts at their end of life, are an important emerging research direction for tackling electronic waste, as well as enabling new applications such as wearable health monitors which can easily be washed off the body at the end of use. Pullulan is a widely used edible substrate which naturally biodegrades and has previously been used with Silver tracks for creating transient electronics. However, Silver tracks are not generally biodegradable. This paper demonstrates the creation of Zinc tracks for biodegradable transient devices, where the Zinc is approximately half of the recommended daily allowance to Zinc to be ingested. We demonstrate resistivities in the range 1–10 Ω/□ for potential use in electrode and antenna applications.
Original languageEnglish
Title of host publicationIEEE FLEPS 2023
Publication statusAccepted/In press - 21 Apr 2023
EventThe IEEE International Conference on Flexible, Printable Sensors and Systems 2023 - Boston, United States
Duration: 9 Jul 202312 Jul 2023

Conference

ConferenceThe IEEE International Conference on Flexible, Printable Sensors and Systems 2023
Abbreviated titleIEEE FLEPS 2023
Country/TerritoryUnited States
CityBoston
Period9/07/2312/07/23

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