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Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
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High-Performance Flexible Transparent Electrode with an Embedded Metal Mesh Fabricated by Cost-Effective Solution
Arshad Khan1, Sangeon Lee2, Taehee Jang3
1Department of Mechanical Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China.
Small (Weinheim an Der Bergstrasse, Germany)
|March 31, 2016
Summary
A novel embedded metal mesh structure offers superior flexible transparent electrodes. This cost-effective electrodeposition method enhances conductivity and durability for advanced electronic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Flexible transparent electrodes are crucial for next-generation electronics.
- Existing technologies face challenges in cost, durability, and performance.
- Need for robust, high-performance transparent conductive materials.
Purpose of the Study:
- To develop a new structure for flexible transparent electrodes.
- To introduce a cost-effective, scalable fabrication method.
- To demonstrate the performance and application of the novel electrodes.
Main Methods:
- Fabrication of a metal mesh fully embedded and mechanically anchored in a flexible substrate.
- Utilizing an electrodeposition process instead of vacuum-based metal deposition.
- Characterization of electrode properties including transmittance, sheet resistance, and mechanical stability.
Main Results:
- Achieved transmittance >90% and sheet resistance <1 ohm sq(-1).
- Demonstrated excellent mechanical stability, adhesion, and resistance to environmental factors.
- High figures of merit (up to 1.5 × 10^4) achieved, surpassing many existing technologies.
- Successfully fabricated a flexible transparent thin-film heater with efficient performance.
Conclusions:
- The embedded metal-mesh structure offers significant advantages in performance and durability.
- The solution-based electrodeposition method enables low-cost, high-throughput production.
- The novel electrodes are suitable for various flexible electronic applications, including thin-film heaters.
