Crack-Insensitive Wearable Electronics Enabled Through High-Strength Kevlar Fabrics

Yang Gao, Kyoseung Sim, Sicong Sun, Zhou Chen, Jizhou Song, Cunjiang Yu

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Mechanical robustness is one of the key factors for future commercialization of wearable electronics. Wearable electronics are thin electronics constructed on flexible polymer or rubber substrates. Due to their thin geometry, wearable electronics are typically vulnerable under tearing or stretching, especially when cracks exist. This paper presents the designs and manufacturing of crack-insensitive wearable electronics realized through incorporating high-strength Kevlar fabrics. Manufacturing strategies of transfer printing prefabricated electronics onto Kevlar fabric with adhesion layer and dip coating constructed devices have been illustrated. The device examples include ultrathin single-crystalline Si-based photodiodes, organic photodetectors, and carbon nanotube-based supercapacitors. Systematic studies highlight the fabrication procedures, mechanical characterization, and device performance evaluation, and offer practical routes to realize robust crack-insensitive wearable electronics.

Original languageEnglish (US)
Article number7180339
Pages (from-to)1230-1236
Number of pages7
JournalIEEE Transactions on Components, Packaging and Manufacturing Technology
Issue number9
StatePublished - Sep 1 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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