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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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Printed Ag Mesh Electrodes with Enhanced Adhesion on Diverse Substrates for Transparent Heater Applications
Han-Jung Kim1, Se Yong Park1, Jeongmin Park1
1IT Materials & Components Research Center, Gumi Electronics & Information Technology Research Institute (GERI), Cheomdangieop1-ro 17, Sandong-eup, Gumi 39171, Republic of Korea.
Nanomaterials (Basel, Switzerland)
|November 12, 2025
Summary
Researchers improved printed electronic device reliability by adding a dielectric interlayer to enhance silver electrode adhesion on various substrates. This innovation boosts flexibility and enables applications like transparent heaters.
Area of Science:
- Materials Science
- Electronics Engineering
- Nanotechnology
Background:
- Digital printing offers advanced fabrication for next-generation electronics.
- Poor adhesion of printed electrodes causes delamination, reducing device lifespan.
- Existing methods lack robust adhesion for flexible and transparent electronics.
Purpose of the Study:
- To enhance the adhesion of printed silver electrodes on diverse substrates using a dielectric interlayer.
- To evaluate the performance of electrodes for transparent and flexible electronic applications.
- To demonstrate the potential of printed electrodes as flexible transparent heaters.
Main Methods:
- Fabrication of silver (Ag) mesh electrodes using digital printing techniques.
- Introduction of a dielectric interlayer to improve electrode-substrate adhesion.
- Characterization of optical transmittance, line resistance, adhesion, and mechanical flexibility.
Main Results:
- Optimized electrodes on polyethersulfone (PES) film showed 83% transmittance and 0.3 Ω line resistance.
- The dielectric interlayer significantly improved adhesion and mechanical flexibility on glass, PES, and polyimide substrates.
- Printed electrodes demonstrated uniform surface heating and feasibility as flexible transparent heaters at low voltages (≤DC 3 V).
Conclusions:
- A simple and effective printing strategy using a dielectric interlayer enhances electrode adhesion and functionality.
- The developed method enables the fabrication of robust, multifunctional electrodes for flexible and transparent electronics.
- This approach holds significant potential for advancing future electronic systems requiring durable and transparent conductive components.
