Lateral buckling and mechanical stretchability of fractal interconnects partially bonded onto an elastomeric substrate

Haoran Fu, Sheng Xu, Renxiao Xu, Jianqun Jiang, Yihui Zhang, John A. Rogers, Yonggang Huang

Research output: Contribution to journalArticle

Abstract

Fractal-inspired designs for interconnects that join rigid, functional devices can ensure mechanical integrity in stretchable electronic systems under extreme deformations. The bonding configuration of such interconnects with the elastomer substrate is crucial to the resulting deformation modes, and therefore the stretchability of the entire system. In this study, both theoretical and experimental analyses are performed for postbuckling of fractal serpentine interconnects partially bonded to the substrate. The deformation behaviors and the elastic stretchability of such systems are systematically explored, and compared to counterparts that are not bonded at all to the substrate.

Original languageEnglish (US)
Article number091902
JournalApplied Physics Letters
Volume106
Issue number9
DOIs
StatePublished - Mar 2 2015

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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