Related Experiment Video
Updated: Apr 12, 2026
07:50
A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
Published on: January 21, 2016
10.4K
Facile preparation of high-performance elastically stretchable interconnects
Andreas Polywka1, Timo Jakob1, Luca Stegers1
1Chair of Large Area Optoelectronics, University of Wuppertal, Rainer-Gruenter-Str. 21, 42119, Wuppertal, Germany.
Advanced Materials (Deerfield Beach, Fla.)
|May 22, 2015
Summary
This study introduces a novel method for creating silver electrodes on poly(dimethylsiloxane) using UV light and electroless deposition. This technique allows for vacuum-free, solvent-free patterning of stretchable electronic interconnects.
Area of Science:
- Materials Science
- Surface Chemistry
- Nanotechnology
Background:
- Poly(dimethylsiloxane) (PDMS) is a widely used elastomer in microfluidics and soft electronics.
- Patterning conductive materials on flexible substrates often requires complex vacuum or solvent-based processes.
Purpose of the Study:
- To develop a facile, vacuum-free method for patterning conductive silver films on PDMS.
- To enable the creation of robust, stretchable interconnects for soft electronic applications.
Main Methods:
- Selective surface modification of PDMS using ultraviolet (UV) light.
- Electroless deposition of silver onto UV-exposed sites.
- Characterization of the deposited silver films and interconnect properties.
Main Results:
- Solid silver films were successfully deposited exclusively on UV-selected sites of PDMS.
- A vacuum-free, photoresist-free, and solvent-free patterning technique was achieved.
- Reliable rigid-to-soft interconnects exhibiting reversible stretchability were demonstrated.
Conclusions:
- The developed technique offers a simple and efficient route for fabricating patterned electrodes on elastomers.
- This method facilitates the integration of soft and rigid electronic components for advanced flexible devices.
- The stretchable interconnects show potential for applications in wearable electronics and biomedical devices.
