Applications of Polymer, Composite, and Coating Materials
- Yifei Huang
Yifei Huang
Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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- Yujun Deng*
Yujun Deng
Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
*Email: [emailprotected]
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- Peiyun Yi
Peiyun Yi
Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
More by Peiyun Yi
- Linfa Peng
Linfa Peng
Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
More by Linfa Peng
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.5c04159
Published April 19, 2025
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Abstract
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Stretchable electronics face the challenge of long-term stable operation, and one of the difficulties is that the core component electrodes maintain a high conductivity under multiple stretchable deformations. To address this issue, we propose a highly fatigue-resistant stretchable metal film electrode, which consists of a platinum nanofilm prebent into regular microconvex stripes on the surface of an elastomeric material. The electrical conductivity of the stretchable electrode is 4.1 × 105 S/m and maintains stability after 10,000 stretch–release cycles at 40% strain. Compared with the conventional metal film electrode with a randomly wavy shape, the microconvex stripe-shaped platinum nanofilm significantly suppresses the strain concentration and the crack propagation of the nanofilm during the stretch–release cycles, resulting in the resistance after 1000 cycles being half that of conventional electrodes. The pressure sensor, based on the proposed electrode, has been shown to possess excellent fatigue resistance with only a 4% change in sensitivity after fatigue. The stretchable electrode based on a microconvex stripe-shaped platinum nanofilm on the elastomer provides an innovative solution for the long-term stable operation of stretchable electronics.
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© 2025 American Chemical Society
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- Electrodes
- Platinum
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- Stress
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 19, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
Request reuse permissions
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