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Strain-Limiting Substrates Based on Nonbuckling, Prestrain-Free Mechanics for Robust Stretchable Electronics
Zhang MY; Liu H; Cao P; Chen B; Hu JQ(胡剑桥); Chen YL; Pan B; Fan JA; Li R; Zhang LJ; Su YW(苏业旺)
2017-12-01
发表期刊JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME
卷号84期号:12页码:121010
ISSN0021-8936
摘要

Stretchable electronics based on inorganic materials are an innovative technology with potential applications for many emerging electronic devices, due to their combination of stretchable mechanics and high electronic performance. The compliant elastomeric substrate, on which the brittle electronic components are mounted, plays a key role in achieving stretchability. However, conventional elastomeric substrates can undergo excessive mechanical deformation, which can lead to active component failure. Here, we introduce a simple and novel strategy to produce failure-resistant stretchable electronic platforms by bonding a thin film of stiff material, patterned into a serpentine network layout, to the elastomeric substrate. No prestraining of the substrate is required, and these systems offer sharp bilinear mechanical behavior and high ratio of tangent-to-elastic moduli. We perform comprehensive theoretical, numerical, and experimental studies on the nonbuckling-based prestrain-free design, and we analyze the key parameters impacting the mechanical behavior of a strain-limiting substrate. As a device-level demonstration, we experimentally fabricate and characterize skin-mountable stretchable copper (Cu) electrodes for electrophysiological monitoring. This study paves the way to high performance stretchable electronics with failure-resistant designs.

关键词Strain-limiting Substrates Nonbuckling Prestrain-free Design Stretchable Electronics
DOI10.1115/1.4038173
收录类别SCI ; EI
语种英语
WOS记录号WOS:000414627900010
关键词[WOS]Design ; Skin ; Eye
WOS研究方向Mechanics
WOS类目Mechanics
项目资助者National Natural Science Foundation of China(11572323 ; Chinese Academy of Sciences via the
课题组名称LNM柔性结构与先进材料力学
论文分区一类/力学重要期刊
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/71943
专题非线性力学国家重点实验室
通讯作者Zhang LJ; Su YW(苏业旺)
推荐引用方式
GB/T 7714
Zhang MY,Liu H,Cao P,et al. Strain-Limiting Substrates Based on Nonbuckling, Prestrain-Free Mechanics for Robust Stretchable Electronics[J]. JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME,2017,84(12):121010.
APA Zhang MY.,Liu H.,Cao P.,Chen B.,Hu JQ.,...&Su YW.(2017).Strain-Limiting Substrates Based on Nonbuckling, Prestrain-Free Mechanics for Robust Stretchable Electronics.JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME,84(12),121010.
MLA Zhang MY,et al."Strain-Limiting Substrates Based on Nonbuckling, Prestrain-Free Mechanics for Robust Stretchable Electronics".JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME 84.12(2017):121010.
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