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Stretchable Active Matrix Temperature Sensor Array of Polyaniline Nanofibers for Electronic Skin
Soo Yeong Hong1, Yong Hui Lee1, Heun Park1
1Department of Chemical and Biological Engineering, Korea University, Seoul, 136-701, Korea.
Advanced Materials (Deerfield Beach, Fla.)
|December 3, 2015
Summary
A novel stretchable temperature sensor array using polyaniline nanofibers and carbon nanotube transistors maintains stability and accuracy under significant stretching. This flexible electronic device enables reliable spatial temperature mapping even when deformed.
Area of Science:
- Materials Science
- Electronics Engineering
- Nanotechnology
Background:
- Developing flexible and stretchable electronic devices is crucial for advanced applications.
- Temperature sensing with high spatial resolution requires robust sensor designs.
- Integrating sensing elements with active matrix backplanes presents fabrication challenges.
Purpose of the Study:
- To demonstrate a stretchable polyaniline nanofiber temperature sensor array.
- To integrate this array with an active matrix of single-walled carbon nanotube thin-film transistors.
- To evaluate the mechanical and electrical stability of the sensor array under stretching.
Main Methods:
- Fabrication of polyaniline nanofibers.
- Integration of nanofibers into a sensor array.
- Construction of an active matrix using single-walled carbon nanotube thin-film transistors.
- Mechanical testing under biaxial stretching up to 30%.
Main Results:
- Successful demonstration of a stretchable polyaniline nanofiber temperature sensor array.
- The sensor array exhibited mechanical stability under 30% biaxial stretching.
- Spatial temperature mapping showed no degradation in performance after stretching.
Conclusions:
- The developed stretchable sensor array offers robust mechanical and electrical properties.
- This technology is suitable for applications requiring flexible and reliable temperature monitoring.
- The integration of nanomaterials and thin-film transistors enables advanced wearable and stretchable electronics.
