Fractal design concepts for stretchable electronics

Fan, Jonathan A.; Yeo, Woon-Hong; Su, Yewang; Hattori, Yoshiaki; Lee, Woosik; Jung, Sung-Young; Zhang, Yihui; Liu, Zhuangjian; Cheng, Huanyu; Falgout, Leo; Bajema, Mike; Coleman, Todd; Gregoire, Dan; Larsen, Ryan J.; Huang, Yonggang; Rogers, John A.

doi:10.1038/ncomms4266

Fractal design concepts for stretchable electronics

Journal Article · Fri Feb 07 00:00:00 EST 2014 · Nature Communications

DOI:https://doi.org/10.1038/ncomms4266· OSTI ID:1875439

Fan, Jonathan A. ^[1]; Yeo, Woon-Hong ^[2]; Su, Yewang ^[3]; Hattori, Yoshiaki ^[4]; Lee, Woosik ^[4]; Jung, Sung-Young ^[5]; Zhang, Yihui ^[3]; Liu, Zhuangjian ^[6]; Cheng, Huanyu ^[7]; Falgout, Leo ^[4]; Bajema, Mike ^[8]; Coleman, Todd ^[8]; Gregoire, Dan ^[9]; Larsen, Ryan J. ^[10]; Huang, Yonggang ^[7]; Rogers, John A. ^[11]

Univ. of Illinois at Urbana-Champaign, IL (United States); Beckman Inst. for Advanced Science and Technology, Urbana, IL (United States); University of Illinois
Univ. of Illinois at Urbana-Champaign, IL (United States); Virginia Commonwealth Univ., Richmond, VA (United States)
Northwestern Univ., Evanston, IL (United States); Tsinghua Univ., Beijing (China)
Univ. of Illinois at Urbana-Champaign, IL (United States)
Pohang Univ. of Science and Technology (Korea, Republic of)
Inst. of High Performance Computing (Singapore)
Northwestern Univ., Evanston, IL (United States)
Univ. of California, San Diego, CA (United States)
HRL Laboratories, LLC, Malibu, CA (United States)
Beckman Inst. for Advanced Science and Technology, Urbana, IL (United States)
Univ. of Illinois at Urbana-Champaign, IL (United States); Beckman Inst. for Advanced Science and Technology, Urbana, IL (United States)

Stretchable electronics provide a foundation for applications that exceed the scope of conventional wafer and circuit board technologies due to their unique capacity to integrate with soft materials and curvilinear surfaces. The range of possibilities is predicated on the development of device architectures that simultaneously offer advanced electronic function and compliant mechanics. Here we report that thin films of hard electronic materials patterned in deterministic fractal motifs and bonded to elastomers enable unusual mechanics with important implications in stretchable device design. In particular, we demonstrate the utility of Peano, Greek cross, Vicsek and other fractal constructs to yield space-filling structures of electronic materials, including monocrystalline silicon, for electrophysiological sensors, precision monitors and actuators, and radio frequency antennas. These devices support conformal mounting on the skin and have unique properties such as invisibility under magnetic resonance imaging. Here, the results suggest that fractal-based layouts represent important strategies for hard-soft materials integration.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Illinois at Urbana-Champaign, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division

Grant/Contract Number:: FG02-07ER46471

OSTI ID:: 1875439

Journal Information:: Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 5; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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