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Published on: March 13, 2017
Aligned Conjugated Polymer Nanofiber Networks in an Elastomer Matrix for High-Performance Printed Stretchable
Wenliang Huang1, Xinmei Liu1, Zicheng Ding1
1Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China.
High-performance stretchable conjugated polymer films for X-ray detection were developed using optimized bar-coating. These films exhibit excellent mechanical properties and sensitive X-ray detection, paving the way for advanced wearable electronics.
Area of Science:
- Materials Science
- Polymer Science
- Electronics
Background:
- Conjugated polymer films are explored for wearable X-ray detection.
- Challenges exist in achieving optimal microstructure for performance under deformation via scalable printing.
Purpose of the Study:
- To develop high-performance stretchable conjugated polymer films for X-ray detection.
- To optimize solution-processing conditions for film microstructure control.
Main Methods:
- Bar-coating of a P(TDPP-Se) and SEBS blend.
- Controlled solution-processing to influence polymer aggregation and crystallization.
- Characterization of film microstructure, mechanical properties, and X-ray detection performance.
Main Results:
- Optimized processing led to aligned P(TDPP-Se) chains/nanofibers within the SEBS matrix.
- Films demonstrated high elongation at break (>400%) and excellent charge carrier mobilities (5.29 cm2 V-1 s-1 at 0% strain, 1.66 cm2 V-1 s-1 at 50% strain).
- High X-ray detection sensitivity (1501.52 μC Gyair-1 cm-2) was achieved.
Conclusions:
- Morphology control via solution processing is key to high-performance stretchable conjugated polymer films.
- The developed films are suitable for advanced wearable X-ray detection applications.
- This strategy enables the creation of robust and sensitive stretchable electronic devices.
