Journal
MATERIALS HORIZONS
Volume 3, Issue 3, Pages 248-255Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6mh00027d
Keywords
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Funding
- National Natural Science Foundation of China [51372133, 91323304, 51402060]
- Beijing Science and Technology Program [D141100000514001]
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This work demonstrates that engineering of the connection channels in gold thin films is an effective way to alter its resistivity for improved sensitivity in strain sensors. We investigated the formation of channel cracks and explored the corresponding piezoresistive behavior. The developed strain sensor possessed GFs as high as 200 (epsilon < 0.5%), 1000 (0.5% < epsilon < 0.7%), and even greater than 5000 (0.7% < E < 1%), which are among the highest values reported thus far at such small deformation, and are promising in the applications of electronic skin, wearable sensors and health monitoring platforms.
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