Journal
SMALL
Volume 5, Issue 24, Pages 2841-2847Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200900853
Keywords
flexible electronics; nanomaterials; nanomechanics; semiconductors; stretchable electronics
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Funding
- National Science Foundation [ECCS-0824129]
- U.S. Department of Energy, Division of Materials Sciences [DE-FG02-07ER46471, DE-FG02-07ER46453]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [824129] Funding Source: National Science Foundation
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Materials and design strategies for stretchable silicon integrated circuits that use non-coplanar mesh layouts and elastomeric substrates are presented. Detailed experimental and theoretical studies reveal many of the key underlying aspects of these systems. The results show, as an example, optimized mechanics and materials for circuits that exhibit maximum principal strains less than 0.2% even for applied strains of tip to approximate to 90%. Simple circuits, including complementary metal-oxide-semiconductor inverters and n-type metal-oxide-semiconductor differential amplifiers, validate these designs. The results suggest practical routes to high-performance electronics with linear elastic responses to large strain deformations, suitable for diverse applications that are not readily addressed with conventional wafer-based technologies.
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