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Automation-Compatible Graphene Transfer Enabled by a Reinforced-Concrete Inspired Mesh-Vaseline Support Film.
Xiaomeng Guo1,2,3, Fangzhu Qing1,2,3, Yiji Liang4
1School of Integrated Circuit Science and Engineering (Exemplary School of Microelectronics), University of Electronic Science and Technology of China, Chengdu 611731, P. R. China.
ACS Applied Materials & Interfaces
|May 1, 2026
Summary
A novel reinforced Vaseline carrier film enables robust, scalable graphene transfer for industrial applications. This method overcomes limitations of existing techniques, facilitating automation and precise fabrication of complex graphene structures.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Chemical vapor deposition (CVD) on copper is standard for large-area graphene growth.
- Graphene transfer to target substrates is crucial but faces industrial adoption challenges.
- Existing transfer methods (mechanical peeling, chemical etching) have limitations in film integrity, handling, and scalability.
Purpose of the Study:
- To develop a robust and scalable carrier film for efficient graphene transfer.
- To enable industrial automation and precise control in graphene film handling.
- To demonstrate advanced applications like bilayer graphene with controlled twist angles.
Main Methods:
- Development of a mesh-embedded Vaseline structure as a self-supporting carrier film.
- Utilizing Vaseline as a removable adhesive layer for conformal contact.
- Demonstration of graphene transfer onto various substrates including curved surfaces.
- Implementation of a semiautomated transfer production line.
Main Results:
- Successful transfer of graphene with excellent integrity and cleanliness onto SiO2/Si wafers and curved surfaces.
- Demonstration of a semiautomated graphene transfer process.
- Achieved fabrication of bilayer graphene with precisely controlled twist angles via wet transfer.
- The carrier film is robust, self-supporting, and compatible with industrial automation.
Conclusions:
- The mesh-embedded Vaseline carrier film offers a scalable solution for industrial graphene transfer.
- This method enhances film integrity, handling, and automation capabilities.
- The technology is extendable to other 2D materials like hexagonal boron nitride (hBN).
