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Related Experiment Video

Updated: Apr 11, 2026

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Published on: June 23, 2017

Cu mesh for flexible transparent conductive electrodes.

Won-Kyung Kim¹, Seunghun Lee², Duck Hee Lee³

¹Department of Cogno-Mechatronics Engineering, Pusan National University, Miryang, 627-706 (Republic of Korea).

Scientific Reports

|June 4, 2015

Summary

Researchers developed flexible transparent conducting electrodes (TCEs) using copper micromesh/nanomesh. These novel electrodes exhibit excellent stability and performance, paving the way for advanced smart displays and solar cells.

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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

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Published on: March 13, 2017

Area of Science:

Materials Science
Nanotechnology
Electrical Engineering

Background:

Transparent conducting electrodes (TCEs) are crucial for electronic devices.
Traditional TCEs often face limitations in flexibility, cost, and performance.
Copper's high conductivity makes it a promising material, but its oxidation sensitivity is a challenge.

Purpose of the Study:

To fabricate flexible transparent conducting electrodes (TCEs) with enhanced stability and performance.
To investigate the potential of copper micromesh/nanomesh structures for large-area applications.
To evaluate the impact of capping layers on the properties of copper TCEs.

Main Methods:

Fabrication of copper micromesh/nanomesh electrodes on polyimide substrates using UV lithography and wet etching.
Utilizing radio-frequency (RF) sputtering with a single-crystal copper target for high-quality thin film deposition.
Applying capping layers of zinc oxide (ZnO) or aluminum-doped zinc oxide (Al-doped ZnO) to create hybrid electrodes.

Main Results:

Achieved sheet resistance of 6.197 ohm/sq and transmittance of 90.657% with an Al-doped ZnO capped electrode.
Demonstrated a high figure of merit (60.502 × 10(-3)/ohm) for the hybrid electrodes.
Exhibited remarkable stability, with properties remaining largely unchanged after annealing at 200 °C and 1,000 bending cycles.

Conclusions:

The developed fabrication technique allows for mass production of large-area flexible TCEs.
Hybrid copper mesh electrodes with Al-doped ZnO capping show excellent stability and performance in harsh conditions.
These advanced TCEs hold significant potential for applications in smart displays and solar cells.