Issue 3, 2016

Structural engineering of gold thin films with channel cracks for ultrasensitive strain sensing

Abstract

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 (ε < 0.5%), 1000 (0.5% < ε < 0.7%), and even greater than 5000 (0.7% < ε < 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.

Graphical abstract: Structural engineering of gold thin films with channel cracks for ultrasensitive strain sensing

Supplementary files

Article information

Article type
Communication
Submitted
29 Janv. 2016
Accepted
26 Febr. 2016
First published
26 Febr. 2016

Mater. Horiz., 2016,3, 248-255

Structural engineering of gold thin films with channel cracks for ultrasensitive strain sensing

T. Yang, X. Li, X. Jiang, S. Lin, J. Lao, J. Shi, Z. Zhen, Z. Li and H. Zhu, Mater. Horiz., 2016, 3, 248 DOI: 10.1039/C6MH00027D

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