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Updated: Aug 5, 2026
05:51
Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting
Published on: February 26, 2019
Wafer-Scale Atomically-Thin Gold: Transferable Platform for Flexible Optoelectronics, Thermal Management and
Dmitry Yakubovsky1, Mikhail Mironov1, Georgy Ermolaev1
1Emerging Technologies Research Center, XPANCEO, Dubai, United Arab Emirates.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 4, 2026
Summary
Researchers developed a scalable method to create continuous, atomically-thin gold films for advanced electronics. This breakthrough overcomes previous limitations, enabling new applications in flexible devices and sensors.
Area of Science:
- Materials Science
- Nanotechnology
- Electronics Engineering
Background:
- Integrating metals into 2D materials is crucial for next-gen electronics.
- High surface energy of metals typically leads to 3D island growth, preventing continuous thin films.
- Existing freestanding 2D metals have limited dimensions, restricting technological use.
Purpose of the Study:
- To overcome the thermodynamic challenge of 3D island growth for continuous 2D metal films.
- To develop a scalable method for producing wafer-scale, atomically-thin, transferable metallic films.
- To demonstrate the versatile integration of these films into advanced electronic devices.
Main Methods:
- Combined template stripping with a graphene-inspired transfer technique.
- Fabricated 6-inch wafer-scale continuous gold films with near-atomic thickness.
- Characterized film smoothness (RMS roughness < 0.4 nm) and electronic properties (sheet resistance < 20 Ω/□).
Main Results:
- Achieved continuous, atomically-smooth, transferable gold films on a 6-inch scale.
- Films exhibit near-bulk electronic properties and high optical transmittance (>86%).
- Demonstrated successful integration into flexible OLEDs, thermal camouflage, and high-performance epidermal sensors (ECG/EMG).
Conclusions:
- The developed method provides a universal and scalable route for integrating atomically-thin metals.
- This approach enables the fabrication of advanced heterostructures and functional systems.
- The adhesion-free, ultrathin gold films offer superior performance for diverse electronic applications.
