Related Experiment Video
Updated: Feb 17, 2026
11:09
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
10.7K
A graphene mesh as a hybrid electrode for foldable devices
1Platform Technology Lab., Samsung Advanced Institute of Technology, 120 Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, South Korea.
Nanoscale
|December 14, 2017
Summary
Researchers developed a novel graphene mesh electrode for flexible devices. This advanced material offers superior optical and electrical properties, outperforming traditional electrodes and enabling stable performance in foldable electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Electrical Engineering
Background:
- Graphene's unique properties make it promising for flexible electronics.
- Existing transparent electrodes often face limitations in conductivity, transparency, and mechanical stability.
Purpose of the Study:
- To design and fabricate a graphene mesh electrode with enhanced optical transmittance and electrical conductivity.
- To evaluate the mechanical stability of a hybrid silver nanowire/graphene mesh electrode for flexible applications.
Main Methods:
- Photolithography was used to create a graphene mesh with micro-holes on a polymer substrate.
- Finite element method simulations optimized the mesh structure for conductivity.
- Chemical doping and over-coating layers were employed to enhance performance and stability.
Main Results:
- The doped graphene mesh achieved 330 Ω/sq sheet resistance at 98.5% transparency.
- A figure of merit of 106 was calculated at 98% transmittance, surpassing conventional materials.
- The hybrid silver nanowire/graphene mesh electrode demonstrated exceptional mechanical stability, enduring 100,000 bending cycles without breakdown.
Conclusions:
- The developed silver nanowire/graphene mesh electrode offers superior optical and mechanical properties compared to silver nanowire/graphene sheet electrodes.
- This hybrid structure is highly suitable for transparent electrodes in foldable devices requiring long-term stability.
