Related Experiment Video
Updated: May 12, 2026
07:50
A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
Published on: January 21, 2016
Free-standing nanocomposites with high conductivity and extensibility
Kyoung-Yong Chun1, Shi Hyeong Kim, Min Kyoon Shin
1Center for Bio-Artificial Muscle and Department of Biomedical Engineering, Hanyang University, Seoul 133-791, Korea.
Nanotechnology
|March 29, 2013
Summary
Researchers developed a highly conductive and stretchable nanocomposite material for advanced electronics. This new material, suitable for films and inks, demonstrates potential for flexible sensors and skin-like electronic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Stretchable and bendable electronic circuits are crucial for emerging applications like skin-like electronics and conformable sensors.
- Developing materials that are both highly conductive and highly extensible for mass production remains a significant challenge.
Purpose of the Study:
- To create a nanocomposite material with high electrical conductivity and extensibility for flexible electronic applications.
- To demonstrate the material's suitability for free-standing films and printable inks.
Main Methods:
- Fabrication of a nanocomposite using carbon nanotubes, ionic liquid, silver nanoparticles, and a triblock copolymer (polystyrene-polyisoprene-polystyrene).
- Characterization of electrical conductivity, extensibility, and thermal properties.
- Demonstration of the material as an electronic interconnect.
Main Results:
- Achieved high electrical conductivity (3700 S cm⁻¹) and extensibility (288% strain without permanent damage).
- The material exhibits high thermal conductivity with non-metallic temperature dependence (phonon transport).
- Electrical resistivity shows metallic temperature dependence.
Conclusions:
- The developed nanocomposite is a promising candidate for mass-produced, free-standing films and printable inks for stretchable electronics.
- Its high strain sensitivity and low temperature coefficient of resistivity indicate suitability for advanced strain sensors.
- The material successfully demonstrated utility as an elastomeric electronic interconnect.
