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Biologically Safe, Degradable Self-Destruction System for On-Demand, Programmable Transient Electronics

Authors
Shin, J.-W.Chan, Choe J.Lee, J.H.Han, W.B.Jang, T.-M.Ko, G.-J.Yang, S.M.Kim, Y.-G.Joo, J.Lim, B.H.Park, E.Hwang, S.-W.
Issue Date
28-12월-2021
Publisher
American Chemical Society
Keywords
biodegradable; biosafe; self-destruction; transient electronics; triggering
Citation
ACS Nano, v.15, no.12, pp.19310 - 19320
Indexed
SCIE
SCOPUS
Journal Title
ACS Nano
Volume
15
Number
12
Start Page
19310
End Page
19320
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/137199
DOI
10.1021/acsnano.1c05463
ISSN
1936-0851
Abstract
The lifetime of transient electronic components can be programmed via the use of encapsulation/passivation layers or of on-demand, stimuli-responsive polymers (heat, light, or chemicals), but yet most research is limited to slow dissolution rate, hazardous constituents, or byproducts, or complicated synthesis of reactants. Here we present a physicochemical destruction system with dissolvable, nontoxic materials as an efficient, multipurpose platform, where chemically produced bubbles rapidly collapse device structures and acidic molecules accelerate dissolution of functional traces. Extensive studies of composites based on biodegradable polymers (gelatin and poly(lactic-co-glycolic acid)) and harmless blowing agents (organic acid and bicarbonate salt) validate the capability for the desired system. Integration with wearable/recyclable electronic components, fast-degradable device layouts, and wireless microfluidic devices highlights potential applicability toward versatile/multifunctional transient systems. In vivo toxicity tests demonstrate biological safety of the proposed system. © 2021 American Chemical Society.
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