Biodegradable thin metal foils and spin-on glass materials for transient electronics

Seung Kyun Kang, Suk Won Hwang, Sooyoun Yu, Jung Hun Seo, Elise A. Corbin, Jiho Shin, Dae Seung Wie, Rashid Bashir, Zhenqiang Ma, John A. Rogers

Research output: Contribution to journalArticlepeer-review

129 Citations (Scopus)


Biodegradable substrates and encapsulating materials play critical roles in the development of an emerging class of semiconductor technology, generally referred as "transient electronics", whose key characteristic is an ability to dissolve completely, in a controlled manner, upon immersion in ground water or biofluids. The results presented here introduce the use of thin foils of Mo, Fe, W, or Zn as biodegradable substrates and silicate spin-on-glass (SOG) materials as insulating and encapsulating layers, with demonstrations of transient active (diode and transistor) and passive (capacitor and inductor) electronic components. Complete measurements of electrical characteristics demonstrate that the device performance can reach levels comparable to those possible with conventional, nontransient materials. Dissolution kinetics of the foils and cytotoxicity tests of the SOG yield information relevant to use in transient electronics for temporary biomedical implants, resorbable environmental monitors, and reduced waste consumer electronics.

Original languageEnglish
Pages (from-to)1789-1797
Number of pages9
JournalAdvanced Functional Materials
Issue number12
Publication statusPublished - 2015 Mar 25

Bibliographical note

Publisher Copyright:
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


  • biodegradable materials
  • biodegradable metal foils
  • degradable metal substrates
  • spin-on glass
  • transient electronics

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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