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Updated: Apr 30, 2026
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
A tough and high-performance transparent electrode from a scalable and transfer-free method
Tianda He1, Aozhen Xie, Darrell H Reneker
1Department of Polymer Science, College of Polymer Science and Polymer Engineering, The University of Akron , 170 University Circle, Akron, Ohio 44325-3909, United States.
Researchers developed a novel method for creating transparent conductive metal films using electrospun fibers as a mask. These metal nanowire networks outperform indium doped tin oxide (ITO) electrodes in transmittance and conductivity, offering a durable and scalable alternative.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Transparent conductive films are crucial for electronic displays and touch screens.
- Indium doped tin oxide (ITO) is the current industry standard but suffers from brittleness and high cost.
- Developing alternative transparent conductive materials with improved performance and flexibility is essential.
Purpose of the Study:
- To develop a novel, scalable method for fabricating high-performance transparent conductive electrodes.
- To demonstrate that metal nanowire networks fabricated using electrospun fibers can outperform commercial ITO electrodes.
- To evaluate the mechanical robustness and flexibility of the fabricated electrodes.
Main Methods:
- Patterning conductive metal films into transparent metal nanowire networks using electrospun fibers as a mask.
- Fabrication of electrodes on rigid glass and flexible polyethylene terephthalate (PET) substrates.
- Characterization of optical transmittance and electrical sheet resistance.
Main Results:
- Achieved sheet resistance of 6 Ω/□ at 83% transmittance and 24 Ω/□ at 92% transmittance.
- Metal nanowire electrodes demonstrated superior performance compared to commercial ITO electrodes.
- Electrodes exhibited excellent mechanical toughness, withstanding scotch tape peeling and bending tests.
- Demonstrated a scalable fabrication process and a functional touch screen on a flexible substrate.
Conclusions:
- The electrospun fiber masking technique offers a scalable and effective route to produce high-performance transparent conductive metal nanowire electrodes.
- These novel electrodes present a promising, robust, and flexible alternative to conventional ITO for various optoelectronic applications.
- The demonstrated toughness and performance highlight the potential for widespread adoption in next-generation flexible electronics.
