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Updated: May 6, 2026
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Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
Published on: November 7, 2016
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Graphene/polydimethylsiloxane nanocomposite strain sensor.
Bo Wang1, Bong-Kee Lee, Min-Joo Kwak
1MEMS and Nanotechnology Laboratory, School of Mechanical Engineering, Chonnam National University, Gwangju, South Korea.
The Review of Scientific Instruments
|November 5, 2013
Summary
Researchers developed graphene/polydimethylsiloxane (PDMS) composites for strain sensors. Higher graphene concentration significantly increased the gauge factor, reaching 233 at 8.33 vol.% graphene.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Polydimethylsiloxane (PDMS) is a versatile polymer with potential for flexible electronics.
- Graphene nanopowder offers unique electrical and mechanical properties for composite materials.
Purpose of the Study:
- To fabricate graphene/PDMS composites.
- To characterize the gauge factor of these composites for strain sensor applications.
Main Methods:
- Simple sonication and micro molding techniques were employed for composite fabrication.
- Gauge factor characterization was performed within a 2% strain range.
Main Results:
- The gauge factor of graphene/PDMS composites is highly dependent on graphene flake concentration.
- A significant gauge factor of approximately 233 was achieved at 8.33 volume percent graphene concentration.
Conclusions:
- Graphene/PDMS composites show promise as effective strain sensors.
- Optimizing graphene concentration is crucial for enhancing sensor performance.
