Mechanics analysis of two-dimensionally prestrained elastomeric thin film for stretchable electronics

Ming Li, Jianliang Xiao, Jian Wu, Rak Hwan Kim, Zhan Kang, Yonggang Huang*, John A. Rogers

*Corresponding author for this work

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Various methods have been developed to fabricate highly stretchable electronics. Recent studies show that over 100 two dimensional stretchability can be achieved by mesh structure of brittle functioning devices interconnected with serpentine bridges. Kim et al show that pressing down an inflated elastomeric thin film during transfer printing introduces two dimensional prestrain, and therefore further improves the system stretchability. This paper gives a theoretical study of this process, through both analytical and numerical approaches. Simple analytical solutions are obtained for meridional and circumferential strains in the thin film, as well as the maximum strain in device islands, which all agree reasonably well with finite element analysis.

Original languageEnglish (US)
Pages (from-to)592-599
Number of pages8
JournalActa Mechanica Solida Sinica
Volume23
Issue number6
DOIs
StatePublished - Dec 2010

Keywords

  • shell
  • soft materials
  • stretchable electronics

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanics of Materials
  • Mechanical Engineering

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