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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
Published on: January 21, 2016
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
Chia-Wei Chang1, Shih-Pin Chen1, Ying-Chih Liao2
1Department of Chemical Engineering, National Taiwan University.
Journal of Visualized Experiments : Jove
|February 11, 2016
Summary
Researchers developed a simple method to chemically solder silver nanowire (AgNW) networks, creating stable, stretchable conductors. This innovation enhances the mechanical stability of AgNW films for next-generation stretchable electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Stretchable electronics are crucial for future applications.
- Fabricating stable, stretchable conductors remains a significant challenge.
- Existing methods often lack sufficient mechanical integrity.
Purpose of the Study:
- To develop a simple fabrication method for stretchable conductors.
- To enhance the mechanical stability of silver nanowire (AgNW) networks.
- To create reliable conductive films for stretchable electronic devices.
Main Methods:
- Spray coating of AgNW nanomesh on glass.
- Application of reactive silver nanoparticle (AgNP) precursor ink.
- Chemical soldering of AgNW junctions via heating.
- Transfer of AgNW films to polyurethane (PU) substrates using casting.
Main Results:
- AgNPs preferentially formed at AgNW junctions, soldering the network.
- The soldered AgNW films showed reinforced conductivity.
- No significant conductivity change was observed under 120% strain.
- The films maintained electrical performance during stretching and rolling.
Conclusions:
- A simple chemical soldering method effectively stabilizes AgNW networks.
- The developed technique produces highly stretchable and mechanically stable conductors.
- This approach is promising for fabricating robust stretchable electronic devices.
