Related Experiment Video
Updated: May 11, 2025
07:50
A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
Published on: January 21, 2016
9.8K
Highly Fatigue-Resistant Stretchable Electrodes Based on Regular Stripe-Shaped Platinum Nanofilm
Yifei Huang1, Yujun Deng1,2, Peiyun Yi1,2
1Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
ACS Applied Materials & Interfaces
|April 19, 2025
Summary
Researchers developed a fatigue-resistant stretchable electrode using platinum nanofilms. This innovation ensures stable conductivity in stretchable electronics, even after thousands of deformation cycles, improving device longevity.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Stretchable electronics require electrodes with stable conductivity under deformation.
- Maintaining electrode integrity during repeated stretching is a key challenge for device longevity.
Purpose of the Study:
- To develop a highly fatigue-resistant stretchable electrode for improved long-term operation of stretchable electronics.
- To investigate the effect of microconvex stripe morphology on electrode performance under strain.
Main Methods:
- Fabrication of a stretchable electrode using platinum nanofilms prebent into microconvex stripes on an elastomeric material.
- Testing the electrode's electrical conductivity and stability through 10,000 stretch-release cycles at 40% strain.
- Comparing the performance of microconvex stripe electrodes with conventional randomly wavy electrodes.
Main Results:
- The proposed electrode exhibits high electrical conductivity (4.1 × 10^5 S/m).
- It maintains stability after 10,000 stretch-release cycles at 40% strain.
- Microconvex stripe morphology significantly suppresses strain concentration and crack propagation, reducing resistance compared to conventional electrodes.
Conclusions:
- The microconvex stripe-shaped platinum nanofilm electrode offers superior fatigue resistance for stretchable electronics.
- This design provides an innovative solution for achieving long-term stable operation in deformable electronic devices.
- A pressure sensor utilizing this electrode demonstrated excellent fatigue resistance with minimal sensitivity change.
