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Vortex fluidic exfoliation of graphite and boron nitride
Xianjue Chen1, John F Dobson, Colin L Raston
1Centre for Strategic Nano-Fabrication, School of Biomedical, Biomolecular and Chemical Sciences, The University of Western Australia, Crawley, WA 6009, Australia.
Chemical Communications (Cambridge, England)
|February 9, 2012
Summary
Researchers exfoliated graphite into graphene using N-methyl-pyrrolidone (NMP) vortex fluidic films. This controlled method produces oxide-free graphene and exfoliates boron nitride sheets.
Area of Science:
- Materials Science
- Nanotechnology
Background:
- Graphene and boron nitride are advanced 2D materials with unique properties.
- Efficient and controlled exfoliation methods are crucial for their applications.
Purpose of the Study:
- To develop a controlled process for exfoliating graphite into oxide-free graphene.
- To investigate the exfoliation of boron nitride sheets using the same method.
Main Methods:
- Utilizing shearing vortex fluidic films of N-methyl-pyrrolidone (NMP).
- Applying controlled mechanical forces for material exfoliation.
Main Results:
- Successfully exfoliated graphite into oxide-free graphene.
- Demonstrated the exfoliation of boron nitride sheets.
Conclusions:
- Vortex fluidic film shearing in NMP is an effective method for producing high-quality, oxide-free graphene.
- This technique is versatile for exfoliating other 2D materials like boron nitride.
