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Ionic Gel Paper with Long-Term Bendable Electrical Robustness for Use in Flexible Electroluminescent Devices
Minghui He1, Kaili Zhang1, Guangxue Chen1
1State Key Laboratory of Pulp & Paper Engineering, South China University of Technology , Guangzhou 510640, Guangdong, PR China.
ACS Applied Materials & Interfaces
|April 26, 2017
Summary
Researchers developed a low-cost, high-throughput method for creating reliable conductive paper using ionic gels. This flexible material demonstrates excellent electrical durability, paving the way for advanced flexible electronics.
Area of Science:
- Materials Science
- Flexible Electronics
Background:
- Conductive paper offers advantages like low cost, light weight, and sustainability for flexible electronics.
- Ionic gels are suitable conductive components due to their low Young's modulus and ease of manufacturing.
Purpose of the Study:
- To develop a cost-effective, continuous, and high-throughput fabrication method for reliable conductive paper.
- To demonstrate the potential of this conductive paper in flexible electronic devices.
Main Methods:
- Fabrication of conductive paper using ionic gels at a low cost (∼$1.3/m²) and high throughput (up to ∼30 m/min).
- Testing of electrical durability through over 5000 bending-recovering cycles.
- Construction of flexible electroluminescent devices with various patterns.
Main Results:
- The developed conductive paper is stable for over two months.
- It exhibits high electrical durability with minimal signal changes after extensive bending.
- Proof-of-principle flexible electroluminescent devices were successfully fabricated.
Conclusions:
- The new methodology provides a powerful route for producing bendable conductive paper.
- This material holds significant potential for diverse applications in future flexible electronics.
